PC appears to be corrupted with an unknown virus?

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Thread Starter
Sep 1, 2004
While trying to run FormFlow (16bit Appl) I keep getting an error stating that "AUTOEXEC.NT" was invalid. In fact it was missing. I restored the file from the REPAIR directory, but each time the PC was RE-booted, the file would be deleted. SymantecAV (list date 8/25/2004) didn't find any virus. Symantec Web site has no references for this file deletion or the Windupdates program. I found a utility (Windupdates.exe) running, so I de-installed the program through the ControlPanel+AddRemovePrograms. The "AUTOEXEC.NT" file is no longer being deleted, BUT there is still a reference in the REGISTRY. The entry in the REGISTRY references a Web site (public.windupdates.com/get_filelong name) and downloads [bridge-c5.cab] a file. I ran SpyBot and there was no reference to this Web site.

Please advise

Dec 23, 2003
Hi Chris31279, I just saw your PM about what "Windupdates" is - well I'll try to answer as best I can but I should say I'm not by any means a security expert so I don't have all the answers. AFAIK Windupdates is some kind of malicious application which falls into the general category of spyware/adware and isn't a virus as such although the distinctions between all these baddies seem to be increasingly blurred. I had a quick google around and found a discussion about it and related nasties in this thread at Broadband Reports security forum, although I'm sure there are other sources out there -


I think the bottom line is you want to make sure it's been completely removed from your pc. What I'd suggest is that if you don't already have these, get both of these excellent free anti-spyware/adware apps, Spybot Search & Destroy and AdAware S.E. as linked here -



Install the latest definition files as directed on the sites and configure them to scan all files on your system, boot to safe mode, run them and have them remove anything that they find. This is a safe option as both apps create backups of any removed malware by default.

Then download the free "Hijack This" application from here -


Create a new folder for it suitably named (e.g. HJT), double-click it to run it (in normal mode) and select to save the scan results in notepad or wordpad etc - then post back to this thread with the log pasted into your post. DO NOT FIX ANYTHING WITH HIJACK THIS unless advised to do so by a mod or knowledgeable responder in this forum - most of the items detected in the scan are required system or application files.

hth (y)


Retired Moderator
Apr 16, 2002
Hi Chris31279, Welcome to TSG!!

Create a folder on your hard drive for Hijackthis, like My Documents\HJT
Click on this link: http://www.thespykiller.co.uk/
Go to the downloads section and get hijackthis. Save the file into the folder you have created.
Unzip the file to the folder.
Scan your machine, then click on Save Log.

Post a copy back here and someone will be happy to review it.

Don't make any changes until instructed to do so.
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