c:\winnt\inf\AU_gdi.inf cannot be found

Posted on 2004-09-21
Last Modified: 2012-05-05
This error message has just started appearing on all pcs on a network c:\winnt\inf\AU_gdi.inf - any ideas? I have done a search and examined all c:\winnt\inf folders but the file does not exist anywhere!  I have set the folder view options to show hidden files but dont know what this file is or where it is
Question by:asodohatch
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LVL 57

Expert Comment

by:Pete Long
ID: 12110470
LVL 33

Expert Comment

ID: 12110476
LVL 57

Expert Comment

by:Pete Long
ID: 12110483
Hi asodohatch,
check for the existance of this Reg key
CurrentUser\Software\Microsoft\Internet Explorer\Explorer Bars\{c4ee31f3-4768-11d2-be5c-00a0l9a83da1}\000

Above from

it would seem to be spyware related
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Please don't "Gum up" the TA's here by posting Hijack This Logs
go here and have it analysed.

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Author Comment

ID: 12110661
Ive run spybot, hijack this and stinger - still got same problem - found an entry in the registry - rundll32 advpack.dll,LaunchINFSection C:\WINNT\INF\AU_gdi.inf,GDIToolRun,2,N - but it wont let me delete it - nothing in startup
LVL 57

Expert Comment

by:Pete Long
ID: 12110692
DO you have a registry entry under



 [GDI Detect Tool..] rundll32 advpack.dll,LaunchINFSection

Expert Comment

ID: 12113146
this file is a information file, it will not harm your computer. i have also suffered with this problem. it also create login problem in some system but after delete this value in registry. you will not receive this type of problem and your system work fine.

(Network engineer)

Expert Comment

ID: 12116852
You must login as admin to delete this key. It looks like some hotfix did this. Try to roll back the hotfix you applied (or automatic).

Author Comment

ID: 12120966
Can anybody explain definitely - is this a trojan, is it caused by windows update, is it spyware.  How do we prevent it happening again

Accepted Solution

asodohatch earned 0 total points
ID: 12179002
OK tnx anyway guys but we've finally sorted this - the AU stands for Auto Update - it is a windows autoupdate file that fails to install properly if the user does not have administrator rights.

The solution is to simply log on as administrator then the registry entry is automatically removed.  No need for spyware detection etc.  No need to manually edit registry.

You can then log on as normal user and everything is ok.

Appears to be an oversight on behalf of Microsoft


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