Make sure to set Avast to "no proxy" in Settings -> Update.Sorry but “no proxy” or “auto-detect” made no difference. AVAST still “cannot connect to server”.
And set to "Always connected".
I am on a dial-up connection. “Always connected” does not apply.
Check "always connected" anyway.
Please use this MS-tool to fix the Hosts-file: TOOL
Download the file to disk and then run it.
Download Malwarebytes Antimalware free by clicking on the blue MBAM in my signature.
Go to the update tab and update it.
Then start a "Quick scan" (takes only few minutes).
A log will appear after the scan - save that to your disk and post the file here (click "Additional Options" at the bottom of post editor window to attach the saved log file).
We'll continue then.