Unable to "Get" files that are currently checked by another user.

I recently upgraded all of my users to Windows 7 x64 running SW2010. PDM is still version 2008.

All my users are fine except for one. He is unable to check out "Get" files that are checked out by other users.

This is what it looks like:

If he clicks on Get this error is displayed:

I have tried a repair and a uninstall and reinstall of PDM. All users on his PC have the same problem, and he can use other PC's without the problem. All the computers are identical as far as hardware and the IT images is concerned.

Thank you for the help.

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