Avast Antivirus: Preventing a BSOD when installing the Windows 10 Anniversary Update

Issue

An incompatibility issue with one of our drivers is reportedly causing a Blue Screen of Death (BSOD) to appear when installing the Windows 10 Anniversary Update. To avoid this issue, we recommend you repair your Avast Antivirus software (or update if you are not already using the latest version) before applying the Windows update. Refer to the following articles for instructions:

We released an emergency update to our user base to prevent and fix this BSOD issue. All new installations should be fixed automatically (except when you install Avast offline).

Prevention

To avoid this issue, follow these steps:

  1. Restart your PC in safe mode:
  2. Uninstall Avast Antivirus:
  3. Restart your PC in normal mode and run the Windows 10 Anniversary update.
  4. Re-install Avast Antivirus:

Details

Who is affected?

Anyone using Avast Antivirus on a PC with Intel Skylake CPUs with Intel® Virtualization Technology (Intel VT) enabled in the BIOS may be affected.

Avast released an emergency patch within 48 hours of the first reports of the issue. It is now safe to perform a clean installation on PCs using the online installer on Intel VT enabled Skylake CPUs running the Windows Anniversary Update.

What are the symptoms?

A BSOD appears on your PC when you install the Windows 10 Anniversary Update. Please note, the cause of this BSOD may be another incompatible software program or hardware device.

  • All Avast Antivirus software
  • Microsoft Windows 10 Anniversary Edition

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