Author Topic: Unable to boot PC after Avast upgrade  (Read 2572 times)

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Offline memorri

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Unable to boot PC after Avast upgrade
« on: September 14, 2010, 08:16:52 PM »
(support ticket NOM-438116)
I have a laptop setup to dual-boot Ubuntu 10.4 and Windows 7 (Ubuntu is default).

I just started up the Windows 7 O/S, which I rarely use, and Avast wanted to upgrade the software and other files. I selected yes to upgrade the software, then at the reboot I get the following error message: "no module name found Aborted. Press any key to exit."

I can't get beyond this, and my dual-boot capability is completely blown away so that I can't boot into either O/S now. My computer is down and unusable and I had to type this message obviously on a different computer.

Is it standard practice for Avast to destroy the dual-boot capability? How do I fix this?

Offline CraigB

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Re: Unable to boot PC after Avast upgrade
« Reply #1 on: September 14, 2010, 08:26:30 PM »
Can you boot into safe mode and do a system restore ?

Offline memorri

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Re: Unable to boot PC after Avast upgrade
« Reply #2 on: September 14, 2010, 08:27:51 PM »
No safe mode available.  I can't boot into anything at all.

Offline Gargamel360

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Re: Unable to boot PC after Avast upgrade
« Reply #3 on: September 14, 2010, 08:33:50 PM »
http://sourceforge.net/apps/mediawiki/bootinfoscript/index.php?title=Boot_Problems:Windows_Writes_To_MBR

http://ubuntuforums.org/showthread.php?t=1343851&page=2

Possible problem source?

Is it standard practice for Avast to destroy the dual-boot capability?

Standard Practice?  No, I doubt that. ;)
Always avoided dual-booting for reasons like this. 
Ever think of trying something else?>>http://www.virtualbox.org/

« Last Edit: September 14, 2010, 08:37:55 PM by Gargamel360 »
Signature?  But I gots no pen....

Offline memorri

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Re: Unable to boot PC after Avast upgrade
« Reply #4 on: September 14, 2010, 08:42:19 PM »
I suspect that Gargamel360 is on the right track.  I won't know for certain until I can get a live boot image available to try it out.  Unfortunately I am on the road now without access to my CD (which is at home).

I am attempting to create a bootable image (Ubuntu)) for a USB stick now, but this will take some more time to create the image from a network download that is a little slower than I would prefer.

Thanks for the links!

Offline Gargamel360

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Re: Unable to boot PC after Avast upgrade
« Reply #5 on: September 14, 2010, 08:45:15 PM »
No problem, glad to help. :)

Signature?  But I gots no pen....

Offline memorri

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Re: Unable to boot PC after Avast upgrade
« Reply #6 on: September 20, 2010, 10:00:03 PM »
Problem resolved, using instructions in link sent by Gargamel360

http://sourceforge.net/apps/mediawiki/bootinfoscript/index.php?title=Boot_Problems:Windows_Writes_To_MBR

In my case I had to mount /dev/sda6 to get it working.