The company always recommends regularly update the program to protect Windows from the latest security threats.
Well, Avast Antivirus is fully compatible with the latest Windows 11, but some errors may still occur.
Avast does not open at all under Windows without an warning pop-up.
Here, we have listed the most common issues reported by users as well as their corresponding solutions.
Note: also locate theAvast Antivirusservice on the list and verify its running state.
Repair Avast antivirus is probably a good solution to fix the problem.
Solution -01
Solution -02
Still need help?
Once done, start your PC and peek if the problem is solved.
Solution 03
Again, running outdated Windows versions may prevent apps and programs from running properly.
plant the latest Windows updates following the steps below.
Temporarily turn off firewall protection and disconnectVPNif configured on your unit.
modernize your Avast client software.
Outdated software can also increase the CPU load.
This problem mostly occurs because of a conflict between Avast and your current antivirus program.
Try these 8 solutions 2025
