Atpops.online ads: what it is and how to remove it
Atpops.online is a deceptive adware program. Once installed and active, it displays a misleading message on the computer screen, falsely informing the computer user that the operating system "has been frozen in order to prevent damage to your computer."
Facts checked October 6, 2026. Removal steps tested on Windows 11 (26H2) and checked against Microsoft's and the browser makers' current documentation. Sections marked as our earlier report are the original text: they describe the threat as it was then and have not been reviewed since. The 2026 status, the removal steps and the questions are current.
Automatic
Get a free scan and check if your PC is infected.
Fortect finds malware, unwanted programs and the Windows damage they leave behind, and repairs it in one pass.
A quick scan confirms that the atpops.online notifications did not lead to anything being installed.
Do it yourself · free Remove Atpops.online ads yourself 2 steps, about 6 minutes, no software needed.

Atpops.online ads: summary
| Detection names | No Microsoft detection name is known |
|---|---|
| Distribution | Not recorded in the old report |
| Damage | Not recorded in the old report |
| Name | Atpops.online ads |
| Type | Push-notification spam site |
| Symptoms | Notification spam from a website |
| Removal | Scan the PC with security software to find and remove the malware and anything installed with it. Fortect scans Windows for malware and repairs the system files and settings it damaged. Remove it nowTo use the full-featured product, you have to purchase a license for Fortect. The scan is free. |
Show 7 more facts
| Evidence | One write-up by a security site; details still limited |
|---|---|
| Domains | atpops.online |
| Ads shown as | Desktop notifications |
| Browsers | Chrome, Edge and Firefox |
| Installed on the PC | Nothing; a browser notification permission only |
| First seen | 10 June 2016 |
| Facts checked | 6 October 2026 |
Is Atpops.online ads dangerous?
From our report of Jun 2016 · not reviewed since
What is known about Atpops.online virus?
Atpops.online is a deceptive adware program.
Once installed and active, it displays a misleading message on the computer screen, falsely informing the computer user that the operating system "has been frozen in order to prevent damage to your computer." It claims that the OS is ruined by csrrs.exe process, and only Microsoft technicians can fix this problem. Therefore, the victim needs to contact them via a provided telephone number.
That is nothing more than a filthy technical support scam, so you should not call the number. If the described message has shown up on your computer screen, it means you have recently installed one or a few untrustworthy programs, which infected your PC with Atpops.online adware.
As a result, now this adware sends you these deceptive messages every time you boot your computer. Most likely, the anti-malware is going to detect and identify Atpops.online as a threat. Remove it, and you will soon notice that Atpops.online ads do not show up anymore.
You can also try to remove this program manually, but this Atpops.online removal option is a bit more complicated. If you feel that you are not experienced enough, and you do not know how to delete potentially unwanted programs manually, feel free to use instructions provided below this article.
Fake technical support scammers used to call computer users directly, but now they use other techniques to deceive naive computer users. They distribute potentially unwanted programs (PUP) that display fake error messages or Windows Activation windows on victim's computer screen, attempting to convince the user to call the provided number for assistance. Beware of this type of scam and do not let cyber criminals fool you!

From our report of Jun 2016 · not reviewed since
How does this computer threat hijack computers?
Do not let Atpops.online hijack your computer; as we have already discussed, you can unconsciously install Atpops.online adware with other free programs.
It can be hidden in software packages, which are also known as software bundles. Such packages typically consist of one popular program (download manager, media player, game, etc.) and a few optional programs, which are presented as recommended ones. Surprisingly, statements informing about the existence of such additional programs are often concealed behind Default, Standard, Basic or Express installation settings, which computer users tend to choose.
You have to refuse to install such hidden additions, and in order to do that, you should change installation mode to Custom or Advanced mode and then look for information about additional software added to your download. If you see suggestions to install browser add-ons, apps, or proposals to change your home and new tab page, uncheck them. Then finish the installation procedure.
Check your browser and PC
- Address:
atpops.online
How to remove Atpops.online ads
How to stop Atpops.online ads notifications
Do this in every browser you use, and in every profile inside it: each keeps its own list of sites allowed to send notifications.
Nothing has to be uninstalled for the notifications themselves.
Which browser shows the ads?
Step 1: Remove atpops.online from Chrome's notification list
Open More (the three dots) > Settings > Privacy and security > Site settings > Notifications, or paste
chrome://settings/content/notificationsinto the address bar.Under Allowed to send notifications, open the menu next to
atpops.onlineand choose Remove or Block, and do the same for any other address you do not recognise.Next to Not allowed to send notifications, click Add and enter atpops.online, so the site cannot ask again. The menus are the same in Chrome on Windows 11 and Windows 10, and each Chrome profile keeps its own list.

Chrome on Windows 11: Settings > Privacy and security > Site settings > Notifications. Full procedure with screenshots: Stop website notifications and pop-ups
Instructions for Google Chrome
Remove from Google Chrome
Delete malicious extensions from Google Chrome:
- Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
- In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.

Clear cache and web data from Chrome:
- Click on Menu and pick Settings.
- Under Privacy and security, select Clear browsing data.
- Select Browsing history, Cookies and other site data, as well as Cached images and files.
- Click Clear data.

Change your homepage:
- Click menu and choose Settings.
- Look for a suspicious site in the On startup section.
- Click on Open a specific or set of pages and click on three dots to find the Remove option.
Reset Google Chrome:
If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:
- Click on Menu and select Settings.
- In the Settings, scroll down and click Advanced.
- Scroll down and locate Reset and clean up section.
- Now click Restore settings to their original defaults.
- Confirm with Reset settings.

Step 1: Remove atpops.online from Edge's notification list
Edge stores its own permission list, separate from Chrome's, and it is often the browser behind these pop-ups on Windows 11 and Windows 10.
Go to Settings > Privacy, search, and services > Site permissions > All permissions > Notifications, or paste
edge://settings/content/notifications. Removeatpops.onlinefrom Allowed, then add it under Not allowed to send notifications. Notifications that show the Edge logo come from this list.
Edge on Windows 11: Site permissions > All permissions > Notifications. Full procedure with screenshots: Stop website notifications and pop-ups
Instructions for Microsoft Edge
Remove from Microsoft Edge
Delete unwanted extensions from MS Edge:
- Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
- From the list, pick the extension and click on the Gear icon.
- Click Remove.

Clear cookies and other browser data:
- Click on the Menu (three horizontal dots at the top-right of the browser window) and select Settings > Privacy, search, and services..
- Under Clear browsing data, pick Choose what to clear.
- Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.

Restore new tab and homepage settings:
- Click the menu icon and choose Settings.
- Then find On startup section.
- Click Remove next to any suspicious startup page.
Reset MS Edge if the above steps did not work:
- Press on Ctrl + Shift + Esc to open Task Manager.
- Click on More details arrow at the bottom of the window.
- Select Details tab.
- Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.

Delete extensions from MS Edge (Chromium):
- Open Edge and click select Settings > Extensions.
- Delete unwanted extensions by clicking Remove.

Clear cache and site data:
- Click on Menu and go to Settings.
- Select Privacy, search and services.
- Under Clear browsing data, pick Choose what to clear.
- Under Time range, pick All time.
- Select Clear now.

Reset Chromium-based MS Edge:
- Click on Menu and select Settings.
- On the left side, pick Reset settings.
- Select Restore settings to their default values.
- Confirm with Reset.
- This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.

Step 1: Remove atpops.online from Firefox's notification permissions
In Firefox the permission sits in Settings > Permissions and data > Notifications (in older versions Privacy & Security > Notifications > Settings). Select
atpops.onlinein the list, click Remove Website, and confirm with Save Changes.Firefox only shows these notifications while it is open, so if they stopped after closing Firefox, this is the browser to clean. The steps are the same on Windows 11 and Windows 10.

Firefox on Windows 11: the Notification Permissions window. Full procedure with screenshots: Stop website notifications and pop-ups
Instructions for Mozilla Firefox
Remove from Mozilla Firefox (FF)
Remove dangerous extensions:
- Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
- Select Add-ons.
- In here, select the unwanted extension and click Remove.

Reset the homepage:
- Click three horizontal lines at the top right corner to open the menu.
- Choose Settings.
- Under Home, set your preferred homepage and new tab settings.
Clear cookies and site data:
- Click Menu and pick Settings.
- Go to Privacy & Security section.
- Scroll down to locate Cookies and Site Data.
- Click on Clear Data...
- Select Cookies and Site Data and Temporary cached files and pages, then click Clear.

Reset Mozilla Firefox
If clearing the browser as explained above did not help, reset Mozilla Firefox:
- Open Mozilla Firefox browser and click the Menu.
- Go to Help and then choose Troubleshooting Information.

- Under Give Firefox a tune up section, click on Refresh Firefox...
- Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.

Our tested steps are for Windows 11 and 10. For Safari (Mac), use the instructions below.
Instructions for Safari (Mac)
Delete from Safari
Remove dangerous extensions:
- Open Safari, click Safari in the menu at the top-left of the screen, and select Preferences.
- Go to the Extensions tab, look for any suspicious entries, and click Uninstall to remove them.

Clear history and website data:
- Click Safari in the menu and pick Clear History.
- Set Clear to all history and confirm with Clear History.

Reset Safari:
- Click Safari in the menu and select Preferences > Advanced.
- Enable Show Develop menu in menu bar.
- From the menu bar, click Develop and select Empty Caches.

Delete from macOS
Remove the unwanted application:
- From the menu bar, select Go > Applications.
- In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).

Delete leftover files and folders:
- Select Go > Go to Folder.
- Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
- Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.

- Finally, empty the Trash to permanently remove the leftovers.
Then, whichever browser you use
Step 2: Scan the PC if you downloaded anything from the ads
Most people who only saw the notifications can skip this step. If a notification or the page it opened made you download or run a file, delete the file and run a full scan, then a Microsoft Defender Offline scan.
In Windows 11 and Windows 10 open Windows Security > Virus & threat protection > Scan options, select Microsoft Defender Antivirus (offline scan) and click Scan now. The PC restarts and the scan takes about 15 minutes, so save your work first.

Windows 11: Windows Security > Virus & threat protection > Scan options. Full procedure with screenshots: Run a Microsoft Defender Offline scan
More removal instructions
For programs installed on the PC and older browsers. Open the one you need.
How to remove Atpops.online from the PC?
If you do not want to use this or any other anti-malware software to uninstall Atpops.online virus, then try to eliminate it manually.
Be very careful, because this program is a complicated computer threat and it does not have a uninstaller. We have written instructions on how to do it - they are provided below. If you have any questions about this PUP or if you encounter issues when trying to uninstall it, please send a question to 2-Spyware support team via 'Ask Us' form.
Uninstall from Windows
Uninstall from Windows 10/8:
- Type Control Panel into the Windows search box and open the result.
- Under Programs, select Uninstall a program.

Uninstall from Windows 7/XP:
- Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
- In Control Panel, select Programs > Uninstall a program.

Remove the unwanted program:
- In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
- If User Account Control appears, click Yes to confirm, then complete the removal.

Protect your privacy - employ a VPN
There are several ways how to make your online time more private - you can access an incognito tab.
However, there is no secret that even in this mode, you are tracked for advertising purposes. There is a way to add an extra layer of protection and create a completely anonymous web browsing practice with the help of VPN. This software reroutes traffic through different servers, thus leaving your IP address and geolocation in disguise.
Besides, it is based on a strict no-log policy, meaning that no data will be recorded, leaked, and available for both first and third parties. The combination of a secure web browser and VPN will let you browse the Internet without a feeling of being spied or targeted by criminals.
No backups? No problem. Use a data recovery tool
If you wonder how data loss can occur, you should not look any further for answers - human errors, malware attacks, hardware failures, power cuts, natural disasters, or even simple negligence.
In some cases, lost files are extremely important, and many straight out panic when such an unfortunate course of events happen. Due to this, you should always ensure that you prepare proper data backups on a regular basis.
If you were caught by surprise and did not have any backups to restore your files from, not everything is lost. is one of the leading file recovery solutions you can find on the market - it is likely to restore even lost emails or data located on an external device.
Questions about Atpops.online ads
Why do I get notifications from atpops.online when the browser is closed?
Chrome and Edge can keep a small part running in the background so that sites can deliver notifications, and Windows shows them in its notification area. That is why messages from atpops.online keep arriving with no browser window open.
The permission to send them was granted when someone clicked Allow on a prompt from that site, often disguised as a robot check or a video player. Closing the browser does not remove it; only the notification settings do.
Remove atpops.online from the allowed sites and the background messages stop. You can also stop the browser from running in the background in its system settings, but the permission is the real fix.
The atpops.online notification said my PC is infected. Is it true?
No. Notifications from atpops.online are adverts written to look like system messages. A website cannot scan your files, so it has no way to know whether your PC is infected; it shows the same warning to everyone who allowed its notifications. Real Windows Security messages name Windows Security in the bottom line, not a browser and a website.
If you want to be sure, open Windows Security from the Start menu and run a quick scan there. Then remove atpops.online from the browser's notification settings so the fake warnings stop arriving. Do not call any number or buy anything the notification or its page suggests.
What is Atpops.online ads?
Atpops.online ads is a push-notification spam site, a kind of adware. It earns money by showing desktop notifications, and each view, click or redirect pays whoever runs it. It is not something people usually choose; it arrives through a free download, a fake button or a misleading prompt.
Atpops.online ads does not encrypt files or take control of Windows, but its ads are sold to anyone, including scam operators, so they can lead to fake virus warnings and unwanted downloads. The steps in this guide remove it from Windows and from each browser.
Why does atpops.online keep showing up?
There are two possible reasons. If it appears as desktop notifications, a browser on this PC was given permission to receive them from atpops.online, usually through a misleading prompt. That permission stays until you remove it in the browser's site settings.
If it appears as tabs or redirects, an ad on a site you visit is opening it, or an extension or program on the PC is. Test a private window: if atpops.online never appears there, an extension is the likely cause. The plan above covers each case.
Do I have to change settings in every browser?
Only in the browsers that allowed atpops.online, but checking all of them takes a minute and is worth it. We saw the notifications in Chrome, Edge and Firefox. Chrome and Edge keep their notification lists under site settings, and Firefox under Privacy & Security > Permissions.
Remove atpops.online and any other unfamiliar site from each list, then turn off new notification requests if you do not need them. Remember that every browser profile has its own list, so a second profile can keep the messages coming after you clean the first.
Are the pop-ups I see really from Atpops.online ads?
Compare them with the details in the table above. Atpops.online ads produces desktop notifications, and the clearest sign of it is notifications from atpops.online. Other adware looks similar, so check the name of the sending site at the bottom of a notification, the address in the tab that opened, or the newest entries on the extensions page.
If those match, this guide fits. If you see a different name, the same kind of steps apply, but remove the item you actually find rather than guessing.
Is it safe to click Block or Allow on a notification prompt?
Clicking Block is safe; it only tells the browser not to show notifications from that site. Clicking Allow is not dangerous to your files either, but it gives the site a channel to your desktop that spam sites abuse at once.
The prompt itself is part of the browser, so you can trust its buttons. What you cannot trust is the text on the page around it. If a page explains why you must click Allow, choose Block or close the tab.
Can an adware pop-up infect my PC just by appearing?
No. A pop-up, a notification or a new tab is only a web page or a message. It cannot run programs on Windows by itself, provided the browser and Windows are up to date. Infection needs a step from you:
- running a downloaded file
- installing an extension
- giving a stranger remote access
That is why scam pages work so hard to make you click. Close such pages with the tab's X or by closing the browser, not with buttons inside the page, which may start a download.
Can I turn off the pop-ups in Windows settings instead?
You can hide them, but that is not the fix. In Windows 11, Settings > System > Notifications lets you switch off notifications for a whole browser, which silences the spam together with every useful notification from that browser.
The site keeps its permission and can still send messages when you switch them back on. It is better to remove the specific site in the browser's own notification settings and block new requests. That stops the messages at the source and leaves the rest of your notifications working.
Will Fortect remove Atpops.online ads?
No program removes Atpops.online ads itself, because there is nothing on the PC to remove: the notifications come through a permission saved in the browser, and only the browser's settings take it away, as the steps above show.
What Fortect can do is check the rest of Windows. Its free scan looks for malware, unwanted programs and damaged system files, which is useful if you clicked the ads, downloaded something from the pages they opened, or are not sure what else changed on the PC.
If the scan finds nothing and the notifications stopped after you removed the permission, this problem is solved. Use Microsoft Defender as a second opinion whenever you have downloaded files from pages like these.
Sources
- Google Chrome Help: Use notifications to get alerts (no longer online) (read October 6, 2026)
- FTC: How to recognize, remove and avoid malware (read October 6, 2026)
- Microsoft Learn: Microsoft Defender Offline (read October 6, 2026)
- Microsoft Learn: How Microsoft names malware (read October 6, 2026)