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HP 5400c - Sorry, could not find required library

I have used my HP 5400c scanner without problem for some time.
My op system is Windows 98se, Pentium111
Suddenly I get this message from HP Preciscion Pro when I try to use the desktop shortcut: Sorry, could not find required library. (Please, reinstall scanning software)
I have reinstalled the software, I have followed all the instructions I can find on disconnecting the scanner and uninstalling/reinstalling the software on the HP site, I have even reinstalled Windows 98se completely but to no avail, I keep getting the same message.
Can anyone help?
3 Solutions
Did you do a clean install of 98, or a repair / overlay install?  If you did a clean install, then I would expect that installing the drivers should have worked, if it was an overlay install, then I would expect that whatever's giving you trouble, could still be sitting in your system.  If possible, try the scanner on a buddies computer and see if it works. (this will tell you if it's the scanner or software)

Also make sure your using the latest drivers from the HP site.
1) Disconnect the scanner from the computer.
2) Uninstall the HP Scanning software.
3) Delete all of the remaining files installed by the HP scanning Software
a) Search and delete all files SCANJET*, HPSC*, HPSJ* in C drive
b) Empty Recycle Bin
4) Download the latest scanning software
5) reboot the computer (important)
6) Install the scanner software
7) Shutdown the computer
8) Reconnect the scanner to the computer
9) Restart the computer

Note: if you have McAfee then you should disable Buffer Overflow Protection before installing the software.

Numerous reports suggest that this process will fix this specific problem


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