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How to repair a broken Avast Antivirus uninstallation
In This Article
In rare casesAvast Antiviruswon’t be removed properly by standard uninstallation or may become otherwise corrupted, leaving you with unwanted files and non-functional antivirus. Here’s how to rescue your PC without reinstalling Windows.
The worst case scenario is that your PC ends up in a state whereMicrosoft Defenderwon’t activate in Avast’s place. It’s an edge case, but it’s previously happened to me on two systems, both times following a major Windows update.
Fortunately, Avast has you covered for even this eventuality, with the avastclear software removal tool.
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What we used
The Short Version
Step1
Download avastclear
Visithttps://www.avast.com/uninstall-utilityand download avastclear.exe using the link in the instructions. Once’s you have it, drag it from your Downloads folder to your desktop for convenience.
Step2
Prepare to reboot in safe mode
Click the Start menu, then your user profile at the far left. Click Sign out in the sub-menu that appears. You’ll be taken to the Windows login screen. Click anywhere and then click the power button symbol at the bottom right. Hold the shift key and click Restart.
Step3
Navigate to advanced reboot options
A blue screen will give you a few reboot options. Click Troubleshoot, then Advanced options. Click Startup Settings, and then press the Restart button.
Step4
Enable Safe Mode
Your PC will reboot and you’ll be presented with a Startup Settings options list. Press F5 to Enable Safe Mode with Networking. Windows will boot into safe mode.
Step5
Run avastclear
Log in and double-click on the avastclear executable we copied to the desktop earlier. If a Microsoft SmartScreen warning appears (which may be the case if you’ve booted safe mode without networking) select Run. The Avast Antivirus Clear application will load.
Step6
Select your Avast install directory and version
If you installed Avast at default settings, you won’t need to change much for the uninstall tool to work, but if you installed Avast or its data in a custom directory, you must click change and browse to these. If in doubt, leave these path settings at their defaults, as the contents of any directory you put here will be deleted. Now select the version you have installed – Premium Security is the default, and click Uninstall.
Step7
Reboot
An uninstallation screen will show a progress bar then report on your uninstallation. Click Done, then manually reboot your PC from the start menu to exit safe mode.
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Troubleshooting
The method detailed above is not required for a standard uninstallation of Avast Antivirus, where everything’s working as it should.
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K.G. Orphanides is a writer and developer whose areas of expertise include internet security, VPNs, Linux for the desktop, small-scale game development, software preservation and computer audio techno…
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Founded in 2003, Trusted Reviews exists to give our readers thorough, unbiased and independent advice on what to buy.
Today, we have millions of users a month from around the world, and assess more than 1,000 products a year.
Editorial independence means being able to give an unbiased verdict about a product or company, with the avoidance of conflicts of interest. To ensure this is possible, every member of the editorial staff follows a clear code of conduct.
We also expect our journalists to follow clear ethical standards in their work. Our staff members must strive for honesty and accuracy in everything they do. We follow the IPSO Editors’ code of practice to underpin these standards.
