VT-x might have another name in your Bios. Mine wasn't called VT-x, but "Intel Virtualization Tech" or "Intel Virtualization Technology". Another term used for it is "Vanderpool technology". But maybe your motherboard does not give BIOS access to VT-x. In which case it is probably on by default (if avast crashes for you) and cannot be turned off.
If people want to post their exact motherboard name here, I can help see if there is a setting for you to enable / disable VT-x, even if it is another name.
That way you might be able to try and see if after disabling it, Avast will install and run.
Hi, can you help me? my motherboard does not show VT-x only VT-d the model is gigabyte ga-z170x gaming 3
I checked your motherboard, and it only has settings in the BIOS to change VT-d, not VT-x, unfortunately. But the avast fix is here, so no need to worry.
For those who are unclear, as I understand it, with the new, updated / patched Avast, there is now no need to disable Vt-x in your BIOS. For those who have gigabyte boards that don't support enabling or disabling VT-x (they only show VT-d), it doesn't matter now, the Avast fix addresses this, so no need to change anything in your BIOS.
And again as far as I understand it, you need to either update Avast (and verify that it is the patched version as described above) and then do the anniversary upgrade. Or, alternatively, you can uninstall Avast, perform the upgrade, and then re-install Avast using the updated version, and you should be fine.
I will go and update Avast now, and then re-enable VT-x in my BIOS, just to confirm all is well.
Update: Avast had already patched my system (through program auto-updates), so I re-enabled Intel Virtualization Tech (Vt-x) in my BIOS, rebooted, and voila!
All is working fine now.
Thank you Avast and petr for the speedy fix! Might be time to get out the cheque-book and upgrade to a paid version of Avast
