(Repair) virus killed file system; What is the best way to rebuild the system?

System of Vista Business 32 bit SP2 from my child was hit in the wrong by a virus; When you run the repair virsu he deleted system files infected and he now gets repeat BSOD.

No, the Startup Repair is not going to fix the system, and the virus seems to have killed all the restore points. also can not get SFC / SCANNOW to run correctly.

So: I went to (a huge field of) struggling to set up a Slipstream installation DVD of Vista SP2 (since the original installation disc supplied with the system was only vanilla Vista).  I thought that I could load that and select the 'Upgrade' option and simply rebuild the Windows system, keeping all my programs and data.

But no, after loading, the system informed me that "upgrade has been disabled", as well as the comment for clarification: "-to update, launch the windows installation"-that sure I can "t do since I can't display the corrupt system virus even in safe mode.

SO - I have a few questions:

(1) FIRST: was first my hypothesis?  In other words, if I COULD bring up Windows on the machine damaged (even if only in safe mode), would be the upgrade, go ahead and work - whereas the old system corrupted virus was also VISTA SP2?  Or - the installation would inform me that he could NOT make an upgrade because it would detect that the previous version was indeed also VISTA SP2 and therefore "knowledge" that he could not (really) do an upgrade?

(2) assuming that the answer to #1 is 'yes', then: is there a version of Vista Installable (same one I might need to buy) that could make the upgrade, even if the Windows system being upgraded can not come?  IF this is NOT the case: what is an installable version upgrade of Windows 7?  or it is the sad reality that no matter what version of Windows I buy, I can't choose the 'Upgrade' option unless the installation is load/run Windows on the upgraded system?

From previous posts, I have all kinds of good advice on how to retrieve data on corrupted system files, so if there is no other alternative, I'll do it - but this is my last resort because:

b its a lot of your time working are going to extract all the files and

(b) his work even more of your time then having to charge all third party software (including some I have no disks to install for more) if I find myself

having to do a clean install of Windows.

So, if there is no alternative to an upgrade - if I have to shell out some $$ for a new version of Windows, I prefer to do that.

Appreciate all advice-

Hello RDougShelton,

Take a look at the following article:

Cleaning a compromised system
http://TechNet.Microsoft.com/en-us/library/cc700813.aspx

If there is a virus on that system, in other words, there is no way to be always sure that she has been completely removed outside of the shaping machine and put it back.

There is no guarantee that an inplace upgrade will fix this problem.

I recommend to backup your data you mentioned in your original post.

Best regards

Matthew_Ha

Tags: Windows

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