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  • Active
  • Severity: High
  • Malware
  • Windows
  • Verified · Oct 2016

How to remove “We couldn’t undo the changes” virus

A step-by-step removal guide for affected devices. Follow the verified procedure below — most readers complete it in under 10 minutes.

Ugnius Kiguolis · The mastermind

“We couldn’t undo the changes” virus. What actually happened to your PC?

Is your PC displaying a suspicious screen asking you to contact support 1-800-418-4202? If so, it is evident that your computer has been compromised by “We couldn’t undo the changes” virus. This malicious computer infection is meant to deliver deceitful messages for the victim – one the victim reboots the computer, this malware launches a lock screen that looks like a Windows Update screen, asking to “keep your PC on until this is done. Installing Update 5 of 7…” Later on, the virus changes the message into “We couldn’t complete the updates. Undoing changes.” Finally, it showcases such words:

Don’t turn off your computer
We couldn’t undo the changes
Contact Support 1-800-418-4202

Do not call the number provided, because you will be greeted by scammers who will try to deceive you by saying that your Windows license key is invalid and that you need a new one. Do not believe them – contrary to their statements, these scammers do not work for Microsoft – they are only shamming. They will try to sell you nothing for 99.99 USD stating that this is how much the new license key costs. Please do not believe what such Tech Support scammers say and if you have already called them and provided your credit card details to them, contact your back ASAP. Protect your bank account if you do not want to part with your money, and remove “We couldn’t undo the changes” virus from the computer then. Although this is not a ransomware, methods to remove such viruses are similar, so please look at “We couldn’t undo the changes” removal instructions that we have prepared for you – you will have to start your PC in Safe Mode with Networking to fix the issue. We strongly recommend using a trustworthy anti-malware software for this, and if you do not have one, we suggest using FortectIntego or SpyHunterCombo CleanerWe couldn’t undo the changes virus blocks access to the computer by displaying these lock screens

When did the virus enter your PC system?

It is enough to be a little careless when installing new programs to plant “We couldn’t undo the changes” malware on the system. Such parasite is distributed with the help of other suspicious programs that can be downloaded from file sharing networks. Be aware that such sites frequently do not filter software that user uploads, therefore, you can install a software package that contains several malicious programs without even realizing it. To protect your PC from malware attacks, choose only trustworthy download sources and rely on Advanced or Custom installation settings. These settings allow to drop off unwanted bundled components, while Default and Standard installation settings hide them. You can also install this malicious application after installing a fake software update from a third-party site. Remember that aggressive pop-ups urging you to update software or install a new one in order to access certain content are commonly filled with additional components that can pose a threat to your computer system.

“We couldn’t undo the changes” virus removal guide

It is highly recommended to use a reliable anti-malware software for “We couldn’t undo the changes” removal. However, as long as the lock screen is active, you will not be able to take any actions to remove “We couldn’t undo the changes” malware. Therefore, restart your PC into a Safe Mode with Networking and then delete the malware from the system. Detailed removal instructions are given below.

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