Virus data base is incomplete.This is ridiculous.
No issue here: http://prntscr.com/ank6gv
Maybe reinstalling or a repair helps? Also did you check for updates manually already?
Yes i do,manually updates not help.
Can’t confirm it, no problems here.
I am doing a reinstalltion by Online and see if the problem is still occurs or not :-\
A repair would be the first step. 
Nothing working and i uninstall the beta.And my net is fine and running smooth but why avast! show this i don’t know.
Well, try a clean reinstall then.
Did that twice 
So, is the problem fixed now or not…?
No.Not fixed at all.
Download and run: https://files.avast.com/ivps9x/vpsupd.exe
Look like problem is fixed now.Thanks@Asyn :)But Avast! have to very carefull about this issue in future version.
You’re welcome.
Is avast! still downlading SZ in Stable version or not?@Asyn
Nope.
Where i get the full offline installer of 11.2.2258?
Thanks@Asyn
You’re welcome.