SP1 setup error

[grantly]

Setup could not verify the integrity of the file
Update.inf. Make sure Crytographic service is running on
this computer. I don't have a update.inf file on the
system and the cryptographic service is running. I am
logged on as the administrator also. Any suggestions.

 

[Jupiter Jones [MVP]]

See if this helps:
http://www3.telus.net/dandemar/updatinf.htm