This patch can be easily found with Google Seach. So it can be posted also here.

http://public.avast.com/~rypacek/patches/#aswtdi

aswtdi patch: Patch for aswtdi.sys for Avast 8 R2 (8.0.1488) for Windows 7.

  1. Disable avast! self-defense module (Settings → Troubleshooting → Enable avast! self-defense module)
  2. Download aswtdi.zip (http://public.avast.com/~rypacek/patches/aswtdi_a8r2/aswtdi.zip) package and extract to any folder.
  3. Copy files (aswtdi.sys and aswtdi.sys.sum) from the extracted folder into your \Windows\System32\drivers folder (note: use x64 subfolder if your OS version is 64bit)
  4. Copy all files (including x64 subfolder) into \Program Files\AVAST Software\Avast\setup\inf folder (overwrite existing)
  5. Enable avast! self-defense module and reboot

There is no need to delete this post. ;D This post was deleted earlier by some non-staff member.