Severity scale:  
  (10/100)

‘Your PC performance might be poor’ virus. How to remove? (Uninstall guide)

removal by Olivia Morelli - -   Also known as 'Your PC performance might be poor' ads, 'Your PC performance might be poor' | Type: Adware
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What is 'Your PC performance might be poor'?

'Your PC performance might be poor' is a misleading notification that may show up on your computer out of nowhere. You may notice that it appears regardless of which web browser you are using (Google Chrome, Mozilla Firefox or Internet Explorer) and what websites are you visiting. You may read a book online, check Facebook, visit an online shopping website and suddenly notice such alert:

Your PC performance might be poor
Click on Yes button below to fix windows errors now

If you have already seen it on your screen, be very careful and ignore it because it's a marketing technique that may be reused by cyber criminals in order to install potentially unwanted programs, such as adwares or browser hijackers on your computer. You should remember that you cannot fix any system error online simply because such service does not exist. If you would click on 'Yes' button, instead of fixing those 'windows errors' you will end up installing a suspicious program on your computer and later will have to deal with real issues, such as redirects, continuous pop-up ads, system slow downs and so on. In the worst case scenario, 'Your PC performance might be poor' virus may even cause infiltration of malicious program on your computer. In fact, the appearance of this fake alert indicates that an adware or another potentially unwanted program has hijacked your computer. So you should avoid clicking on those pop-up ads but don't ignore them. Run a full system scan with Reimage or another reputable anti-spyware to remove an adware from your computer because it may not only deliver 'Your PC performance might be poor' alerts but also silently track you, connect to the Internet, cause redirects to sponsored websites, slow down your machine and so on.

How can 'Your PC performance might be poor' ads hijack my computer?

'Your PC performance might be poor' pop-up indicates that your web browser has been hijacked by an adware-type program. You should remove it as soon as possible because it may also slow down your computer's system, track your browsing activities, use your PC's resources for implementing suspicious activities, connect to the Internet behind your back and initiate other unwanted activities behind your back. In addition to that, we highly recommend to install a reputable anti-spyware and keep it up-to-date because infiltration of such and similar threats makes an evidence that your computer's vulnerability is high. Besides, in order to avoid adwares and other potentially unwanted programs, you have to beware that they usually spread around along with freewares and sharewares. That's why you should not rush to install free software (download managers, PDF creators, media players, etc.) because you may easily end up with 'Your PC performance might be poor' or another misleading programs on your computer. Since additional components of freewares are usually disclosed in a misleading manner, you should be very careful in order to opt out of them. Make sure that you select Advanced or Custom installation option and check everything carefully. Opt out of check boxes claiming that you accept to install various browser plug-ins, toolbars, add-ons or extensions and only then finish the process. If you are constantly experiencing 'Your PC performance might be poor' redirects, do not ignore them anymore. Follow the guidelines that are given below and get rid of this adware right now.

How to remove 'Your PC performance might be poor' pop-up virus?

You can remove ‘Your PC performance might be poor’ automatically with a help of one of these programs: Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus, Malwarebytes Anti Malware. We recommend these applications because they can easily delete potentially unwanted programs and viruses with all their files and registry entries that are related to them.

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Compatible with Microsoft Windows Compatible with OS X
What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall ‘Your PC performance might be poor’ virus. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.
‘Your PC performance might be poor’ virus snapshot
‘Your PC performance might be poor’ virus snapshot

Manual ‘Your PC performance might be poor’ virus Removal Guide:

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove ‘Your PC performance might be poor’ from Windows systems

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  1. Click Start Control Panel Programs and Features (if you are Windows XP user, click on Add/Remove Programs). Click 'Start -> Control Panel -> Programs and Features' (if you are 'Windows XP' user, click on 'Add/Remove Programs').
  2. If you are Windows 10 / Windows 8 user, then right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel and Uninstall a Program. If you are 'Windows 10 / Windows 8' user, then right-click in the lower left corner of the screen. Once 'Quick Access Menu' shows up, select 'Control Panel' and 'Uninstall a Program'.
  3. Uninstall ‘Your PC performance might be poor’ and related programs
    Here, look for ‘Your PC performance might be poor’ or any other recently installed suspicious programs.
  4. Uninstall them and click OK to save these changes. Right click on each of suspicious entries and select 'Uninstall'
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove ‘Your PC performance might be poor’ from Mac OS X system

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  1. If you are using OS X, click Go button at the top left of the screen and select Applications. Cick 'Go' and select 'Applications'
  2. Wait until you see Applications folder and look for ‘Your PC performance might be poor’ or any other suspicious programs on it. Now right click on every of such entries and select Move to Trash. Click on every malicious entry and select 'Move to Trash'
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove ‘Your PC performance might be poor’ from Internet Explorer (IE)

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  1. Remove dangerous add-ons
    Open Internet Explorer, click on the Gear icon (IE menu) on the top right corner of the browser and choose Manage Add-ons. Click on menu icon and select 'Manage add-ons'
  2. You will see a Manage Add-ons window. Here, look for ‘Your PC performance might be poor’ and other suspicious plugins. Disable these entries by clicking Disable: Right click on each of malicious entries and select 'Disable'
  3. Change your homepage if it was altered by virus:
    Click on the gear icon (menu) on the top right corner of the browser and select Internet Options. Stay in General tab.
  4. Here, remove malicious URL and enter preferable domain name. Click Apply to save changes. Delete malicious URL, enter your desired domain name and click 'Apply' to save changes
  5. Reset Internet Explorer
    Click on the gear icon (menu) again and select Internet options. Go to Advanced tab.
  6. Here, select Reset.
  7. When in the new window, check Delete personal settings and select Reset again to complete ‘Your PC performance might be poor’ removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove ‘Your PC performance might be poor’ virus from Microsoft Edge

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

Reset Microsoft Edge settings (Method 1):

  1. Launch Microsoft Edge app and click More (three dots at the top right corner of the screen).
  2. Click Settings to open more options.
  3. Once Settings window shows up, click Choose what to clear button under Clear browsing data option. Go to Settings and select 'Choose what to clear'
  4. Here, select all what you want to remove and click Clear. Select 'Clear' button
  5. Now you should right-click on the Start button (Windows logo). Here, select Task Manager. Open the start menu and select 'Task Manager'
  6. When in Processes tab, search for Microsoft Edge.
  7. Right-click on it and choose Go to details option. If can’t see Go to details option, click More details and repeat previous steps. Right-click 'Microsoft Edge' and select 'Go to details' Select 'More details' if 'Go to details' option fails to show up
  8. When Details tab shows up, find every entry with Microsoft Edge name in it. Right click on each of them and select End Task to end these entries. Find Microsoft Edge entries and select 'End Task'

Resetting Microsoft Edge browser (Method 2):

If Method 1 failed to help you, you need to use an advanced Edge reset method.

  1. Note: you need to backup your data before using this method.
  2. Find this folder on your computer: C:\Users\%username%\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  3. Select every entry which is saved on it and right click with your mouse. Then Delete option. Go to Microsoft Edge folder on your computer, right-click every entry and click 'Delete'
  4. Click the Start button (Windows logo) and type in window power in Search my stuff line.
  5. Right-click the Windows PowerShell entry and choose Run as administrator. Find Windows PowerShell, right-click it and select 'Run as administrator'
  6. Once Administrator: Windows PowerShell window shows up, paste this command line after PS C:\WINDOWS\system32> and press Enter:
    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register $($_.InstallLocation)\AppXManifest.xml -Verbose}
    Copy and paste a required command and press 'Enter'

Once these steps are finished, ‘Your PC performance might be poor’ should be removed from your Microsoft Edge browser.

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove ‘Your PC performance might be poor’ from Mozilla Firefox (FF)

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  1. Remove dangerous extensions
    Open Mozilla Firefox, click on the menu icon (top right corner) and select Add-ons Extensions. Click on menu icon and select 'Add-ons'
  2. Here, select ‘Your PC performance might be poor’ and other questionable plugins. Click Remove to delete these entries. Select 'Extensions' and look for malicious entries. Click 'Remove' to get rid of each of them
  3. Reset Mozilla Firefox
    Click on the Firefox menu on the top left and click on the question mark. Here, choose Troubleshooting Information. Click on menu icon and then on '?'. Select 'Troubleshooting Information'
  4. Now you will see Reset Firefox to its default state message with Reset Firefox button. Click this button for several times and complete ‘Your PC performance might be poor’ removal. Click on 'Reset Firefox' button for a couple of times
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove ‘Your PC performance might be poor’ from Google Chrome

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  1. Delete malicious plugins
    Open Google Chrome, click on the menu icon (top right corner) and select Tools Extensions. Click on menu icon. Select 'Tools' and 'Extensions'
  2. Here, select ‘Your PC performance might be poor’ and other malicious plugins and select trash icon to delete these entries. Look for malicious entries and delete each of them by clicking on the Trash bin icon
  3. Click on menu icon again and choose Settings Manage Search engines under the Search section. When in 'Settings', select 'Manage search engines...'
  4. When in Search Engines..., remove malicious search sites. You should leave only Google or your preferred domain name. Click 'X' to remove malicious URLs
  5. Reset Google Chrome
    Click on menu icon on the top right of your Google Chrome and select Settings.
  6. Scroll down to the end of the page and click on Reset browser settings. When in 'Settings', scroll down to 'Reset browser settings' button and click on it
  7. Click Reset to confirm this action and complete ‘Your PC performance might be poor’ removal. Click on 'Reset' button to complete your removal
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove ‘Your PC performance might be poor’ from Safari

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  1. Remove dangerous extensions
    Open Safari web browser and click on Safari in menu at the top left of the screen. Once you do this, select Preferences. Click on 'Safari' and select 'Preferences'
  2. Here, select Extensions and look for ‘Your PC performance might be poor’ or other suspicious entries. Click on the Uninstall button to get rid each of them. Go to 'Extensions' and uninstall malicious add-ons
  3. Reset Safari
    Open Safari browser and click on Safari in menu section at the top left of the screen. Here, select Reset Safari.... Click on 'Safari' and select 'Reset Safari...'
  4. Now you will see a detailed dialog window filled with reset options. All of those options are usually checked, but you can specify which of them you want to reset. Click the Reset button to complete ‘Your PC performance might be poor’ removal process. Select all options and click on 'Reset' button
After uninstalling this potentially unwanted program (PUP) and fixing each of your web browsers, we recommend you to scan your PC system with a reputable anti-spyware. This will help you to get rid of ‘Your PC performance might be poor’ registry traces and will also identify related parasites or possible malware infections on your computer. For that you can use our top-rated malware remover: Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware.

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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