TweakUI did not help this problem.
But I did find a solution:
New symptom found: The USB drive was visible when the computer was in safe
mode.
Solution:
At this point I had to assume that there was some process running on the
computer that was interfering with the USB Drive, so I took the following
steps:
1. In safe mode, I hit cntrl-alt-del and viewed the running processes.
Since the USB drive was working, I wrote down the running processes as a
"safe list." The safe list were the processes that did not prevent the USB
drive from appearing in My Computer and Explorer.
2. Reboot the machine normally.
3. Plug in the USB drive. Hit cntrl-alt-del and view the running processes.
Now there are many more processes running than before, but many can be ruled
out be already being on the safe list. Make a list of the remaining
processes. I am going to call this list "unknown process."
4. Since I had already determined that the CD/DVD burning software, virus
scan, security software, and dvd players were not the culprits, I stopped
the software, noted which processes disappeared from the process table then
moved the process from the unknown list to the safe list. If you are trying
to solve this on your own computer, you will want to verify that these
programs are not the culprits before moving them to the safe list. After you
stop each program, you can verify by unplugging then plugging in the usb
drive to see if the problem continues.
6. I then continued by going to the task bar and stopped a single program,
noted which process disappeared from the table, and uplugged then plugged in
the USB drive to see if it works. If it did not work, I repeated this
process on the next item running in the task bar.
7. My problem happened to be the process apdproxy.exe, which is the photo
downloader for Adobe Photoshop Album Starter Edition, but rundll32.exe was
the problem for the folks at:
http://www.computing.net/windowsxp/wwwboard/forum/126083.html
8. I then prevented this process from starting with the computer by
removing the line about that process from this location in the registry
HKLM->Software->Microsoft->Windows->CurrentVersion->Run. FYI: CHANGE YOUR
REGISTRY AT YOUR OWN RISK.
I hope this helps someone from struggling with this problem for as long as I
have.
Good Luck!
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