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How to Fix Avast Antivirus Windows 10 Critical Error?

By News EngineOctober 7, 2021No Comments5 Mins Read
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Avast antivirus is a top security program and compatible with various platforms. It is available in multiple plans and services. The user can choose the setup and then install it on the PC. Avast antivirus setups are reliable and protect the system from all malware. But few users get the Avast Critical Error while running it on the Windows 10 PC.

It could be a faulty Avast installation, missing or damaged files, or Avast Antivirus service not working correctly, causing Avast to not open windows 10. Here we have listed the most common problems reported by users along with their respective solutions.

Reasons for getting Avast Windows Critical Error

  • You are installing an incompatible Avast setup
  • Few Avast program files are missing
  • Your PC junk is interrupting the Avast program
  • The system files are not working
  • Avast setup is interrupting with another program
  • Registry files get corrupted

Step to Repairing Avast Windows Critical Error

Install the Correct Avast Setup

The users mostly get Avast Windows 10 critical errors when they are transferring the license. You can share Avast licenses on the same platform only. If you try to move the license to another platform, you will get the error. The error also appears when the setup is incompatible.

Open the computer and check its RAM, processor, and free hard disk. If the specifications don’t match the antivirus requirements, remove the setup. You can’t install that Avast setup on the computer. Search for a compatible Avast setup for your device. Now install a new Avast setup on Windows 10.

Disable Avast Antivirus Temporarily

If Avast antivirus is not working correctly with Windows 10, then turn off avast for a while. Sometimes, Avast files get a runtime error. When you disable and then restart the Avast, those errors get resolved.

  1. Open the Avast dashboard.
  2. Click on the Menu icon.
  3. Choose Settings and tap on Protection
  4. Tap on the Core Shields option

Choose the Green slider and then choose the time for disabling. Select OK, and the Avast antivirus will get disabled temporarily. When the antivirus restarts, check for the Avast Windows Critical Error.

Sometimes you may get the error ‘Process Trust’ fatal error pop-up message that reads ‘Avast does not trust the Avast Installer,’ which prevents Avast from installing on your computer.

This problem is mainly caused by a conflict between Avast and your current antivirus program. And you need to disable your current antivirus and try to install Avast again.

Remove another Security Software

The antivirus shows issues when the system has another security program. Whenever the user opens another security program, Avast real-time features detect it and start showing the error. The user must remove another security program. Go to the Apps page and check all the names.

You May Also Read:- How Do I Get My HP Printer To Connect To My Computer?

If you see another security program (even expired), then remove it. Delete all the files of the application from the PC. Restart the computer and Run the Avast scan. Once you remove that program, your Avast antivirus will start running reliably.

Remove all junk from the computer.

Avast antivirus can show critical errors on Windows 10 due to junk. When the Windows PC gets lots of junk, they start interrupting various device processes. To fix this, the user should start removing junk from his PC. You can find the junk in the temp folder. Delete all files from that folder and then start checking other folders.

For Windows devices, you can directly find all junk files using cleanmgr. It is a utility tool that scans all folders for unnecessary files. After running this tool, check the list and select the items to delete. After removing the junk, restart the computer and check for Avast antivirus error.

Repair the Windows System Files

Antivirus can start getting errors when the system files are not working. These files get corrupted easily due to runtime errors. But fixing those system files is very difficult. The user can’t fix the files manually without technical knowledge. You shouldn’t edit any system file without the proper information.

 On Windows 10, use the file checker utility to scan the system files. The tool scans the PC’s system files. If the corrupted file appears, the SFC/scannow function immediately repairs it. Once the tool improves the system files, restart the computer. Now run the Avast antivirus on PC and then check for Windows 10 critical errors.

Undo changes on the PC

Few users get Avast Windows 10 critical errors after changing the settings on the PC. The error occurs when the user has mistakenly restricted the security settings. For running Avast antivirus, you have to undo those settings. Go to those settings pages and revert the changes. After retreating, check Avast for the error.

When you don’t remember the default settings of the page, then search for restoring point. If you have a correct point, then use it to fix all the changes automatically. When the Avast antivirus is not working due to a program files error, remove the setup. Instead of repairing those files, reinstall the new Avast setup on the computer.

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