sp2 unable to verify update.inf

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sk_raja_rajaConnect With a Mentor Commented:
(i) http://support.microsoft.com/default.aspx?scid=kb;EN-US;822798
This artical contains the error code you have as a symptoms.

(ii) Check this article,

(iii)Are you installing with the /ER or /O switch when installing?  This /ER will give us a better insight into the errors occurring.  /O will rewrite the oem files.  

As well, did you delete the hotfix cache %WINDIR%\$hf_mig$\KB*.  This will make a big difference because SP2 is checking to see if it needs to reapply any of those cached updates.  The installer will actually try to re-install those hotfixes from that cache.  So even if you re-installed KB's listed in the log file, you are just reinstalling back info from the cache.
Try to install with Admin account

Solution 1:

1. Click Start -> Run and type "cmd" (without quotes) and press Enter.
2. Run this command in the command prompt: Net stop Cryptsvc
3. Go to C:\Windows\system32\catroot2 and rename Edb.log to Edb.txt.
4. Click Start -> Run and type "cmd" (without quotes) and press Enter.
5. Run this command: Net start Cryptsvc
6. Reboot the server.
7. Install the Service Pack 2 (Win 2003 SP2) again.
There is a chance that you may get the error again. If so, go to Solution 2.

Solution 2:

1. Create a folder on the desktop and name it "temp" (without quotes.)
2. Go to C:\Windows\system32\CatRoot folder.
3. Press "F3" on your keyboard (Search the folder for files/directories.)
4. Search for "tmp*.cat, KB*.cat" (without quotes.) Make sure you search for all files and folders in CatRoot folder.
5. Move all the files to temp folder on the desktop.
6. Reboot the system.
7. Install Windows Server 2003 Service Pack 2 again after the server restarts.

This is from previous EE post
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