Thursday, 5 July 2018

Avastclear gives error 'stub cannot run installer / updater ...'

We've had a few license warnings for Avast Business Antivirus Cloudcare recently. Usually when upgrading, eg from Cloudcare 4.2.x to 4.3.0. To fix the licence warning you usually need to uninstall the current version, reboot and reinstall the latest. Even then it doesn't always work and using avastclear, the official uninstaller program from Avast / AVG is the way to go. Note that this should be run from Safe Mode.

When you run avastclear you might see the error shown in the diagram here.

"The stub cannot run installer / updater executable 'c:\users\   \appdata\local\temp\_av_iup.tm~
\instup.exe' (code 0x10b)"

Took a while to work this out - you need to be logged into Safe Mode as the local administrator, not a domain admin account.

Then the uninstall will run and reboot.

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