Hi,

please be more specific → post (1 or more examples of) the exact error messages here

also list the exact virus names found earlier, and their locations: full path/folder/filennames; see avast Report/log or WIN’s event-log for this info

Maybe just the extension for .EXE or .DLL-files was changed by a virus
→ try the Cleaner from www.avast.com ; read the instructions on renaming the extension/the file FIRST

have you tried booting in SafeMode (F8-Boot) and scanning with avast then ? or repairing avast via Control panel Software/programs uninstal avast-> repair ?

:wink: