What to do when instup.exe (Avast Antivirus installer) runs for longer time?

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If you’ve installed Avast in your computer, sometimes, you might have noticed instup.exe running in the Task Manager under the Processes tab, this process with the description Avast Antivirus installer runs from the location C:\Program Files\AVAST Software\Avast\Setup. You can notice it on TM also when you change or repair installed Avast components.

Fix Avast uninstall stuck at creating system restore point?

When it is working, it is probably updating virus definitions VPS or program (Avast’s) by decompressing packages it has downloaded, which does require more bandwidth to do that, hence it may be using more system resources, that’s normal. You’ve to worry about it only when it runs constantly for a longer period of time. Normally, it will go away after a few minutes, if it’s not, you need to follow the instructions below to stop it.

instup.exe Avast Antivirus installer running on Task Manager

What Avast has to do with unsecapp.exe?

Preventing instup.exe of Avast from running constantly in your computer

1. Disable self-defense module, here are the steps for it: Open Avast user interface >Settings >Troubleshooting, uncheck ‘avast self-defense module’.

Note: It’s there to protect Avast files and registry entries from being deleted by malware.

2. And delete ‘Update’ log file in this directory ‘C:\ProgramData\AVAST Software\Persistent Data\Avast\Logs’.

How to Stop mftutil.exe (Avast mft Utility) from constant running?

After completing the above step, enable the self-defense module again.

Related: Fix Avast’s Error ‘Setup is already running. Please try to start the setup later.’

Hope that helps. If you’ve any doubts about this process, feel free to ask me in the comments.