Fixing "Avast virus definitions won't update" Problem - Post Thumbnail
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Fixing "Avast virus definitions won't update" Problem

Avast program is one of the most effective antivirus programs which protects your computer from malicious software and dangerous sites but also provides several methods to solve the problem originating from Avast software. But the users often face the problem that Avast virus definitions won’t update. The antivirus update is necessary. It protects your computers from spyware. There are several methods to overcome this problem.

Variant 1 to update Avast antivirus to the newest version 

This method is considered the most effective one to overcome the difficulty of Avast virus definitions updating problem. The following instruction will lead to the newest version:

  • Open Avast antivirus program.
  • Click on the Setting icon.
  • Click on Update.
  • Confirm upgrade if it asks by the system.
  • Wait until the ending of the upgrading process.
  • Restart the computer and check if the program is updated to the newest version. 

This method will remove the problem and the antivirus will be updated. If this doesn’t solve the problem, follow the next way. 

Variant 2 – Troubleshoot Avast

There are some Avast bugs that end up the virus recognition on the display. It can be occurred because of several reasons but the most important reason is the software, exposed to spyware. To overcome the problem it is necessary to follow the steps: 

  • Open Avast antivirus.
  • Click on the Action menu.
  • Click on the Setting icon.
  • Tap on the General option. 
  • Chose troubleshooting.
  • Find the option as Still having problems? and click it.
  • Tap on the Repair.
  • Confirm with the Yes button and wait for the scanning end.
  • Tap on resolve “All once” of all dangerous problems and delete them. 
  • Restart the computer and persuade that the threats are removed. 

Variant 3: Reset the Avast antivirus

There are situations when it is impossible to solve the problem by updating to the newest version and troubleshooting. In this case, it is needed to reset the antivirus with the steps: 

– Restart the computer.

– Download the Avast antivirus from the licensed site

– Install the program

– Restart the computer and check if the program is installed. 

– Start Avast program. 

Reason which lead to Avast virus definition won’t update

The most important reasons are:

– The software faces the incongruity between Windows and Avast.

– Internet speed is slow when Avast is in the process of updating.

– Non-correct installation of Avast program.

– Corrupted computer memory can block the Avast virus definition upgrade. 

The list of the reasons isn’t completed but the mentioned ones are the most widespread.