Avast and AVG programs cause problems when updating/upgrading to Windows 10 1909/1903 Microsoft has briefly reported in known issues list that both antiviruses have compatibility issues with the mentioned versions. Version number 19.5 (19.5.4444.567) or previous creates this problem updating to Windows 10 1909 or upgrading to 1903. On 22.11 the known issues page has been updated. So you need need to terminate the programs to complete the installation of the functional updates. Furthermore, you can update them before starting to receive the versions.
AVG and Avast Cause Problems to Install Windows 10 1909 and 1903 versions
Unfortunately, there are multiple times when an antivirus program has obstructed a functional update. Microsoft highlights that you should avoid manually click on “Check for updates” on old versions. Even you shouldn’t use Media creation tool for the same. But if you see “You are up to date” you have already installed the current version 19.8 anyway. As AVG and Avast Cause Problems to Install Windows 10 1909 and 1903 you can go through the instructions for both programs using the following links –
To safeguard you from the bad experiences Microsoft has prevented the devices from getting the version installed. They have input a compatibility hold.
Source – Docs.Microsoft.