Author Topic: [SOLVED] Avast Free 11.1.2253 & VirtualBox 5.0.14  (Read 3274 times)

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Offline hsmett2

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[SOLVED] Avast Free 11.1.2253 & VirtualBox 5.0.14
« on: February 09, 2016, 09:57:46 AM »
Hi there,

The last update seems to cause problems with virtualbox.
I updated Avast free to the last version this morning, and all 64-bits options in virtualbox went away, so none of my x64 vm start.

Host:
Windows 7 64 bits (no Hyper-V platform)
VirtualBox 5.0.14r105127 (last release)
Bios: Virtualization Tech & VT-d enabled, no changes
Avast last update (Today 9 fev 2016 9a.m. gmt+1)

Guest:
Debian, Ubuntu, Windows... (x64)

Uninstalling Avast solved my problem, I could select 64b version, but this can't be the definitive solution.

Any clue?

Hugo
« Last Edit: February 09, 2016, 12:43:01 PM by hsmett2 »

Offline neryll

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Re: Avast Free Last Update & VirtualBox 5.0.14
« Reply #1 on: February 09, 2016, 10:59:42 AM »
Had the exact same problem and found the following solution:

1. Settings -> Troubleshooting
2. Unmark/disable 'Enable hardware-assisted virtualization' and reboot.

That seems to release Avasts hold of the hardware virtualizations resources VirtualBox is missing to run 64-Bit Guests.

Offline hsmett2

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Re: Avast Free Last Update & VirtualBox 5.0.14
« Reply #2 on: February 09, 2016, 12:35:04 PM »
Thank you neryll, despite disabling this feature seems unsafe, this did the trick.