unable to uninstall photoshop cs

i tried to uninstall photoshop cs under the add or remove program.. but i got this error 5001. It states:

"> SetupDLL.cpp (442)
PAPP:Adobe Photoshop CS and ImageReady CS PVENDOR:Adobe
(http://www.adobe.com)
PGUID:EFB21DE7-8C19-4A88-BB28-A8766E16493BC
$7.1.100.1248
@Windows XP Service Pack 2 (2600) BT_OTHER 0.64"

and the second one
"Setup has experienced an error.

Please do the following:
- Close any running programs
- Empty your temporary folder
- Check your Internet connection (Internet-bases Setups)

Then try to run Setup again.

Error code: -5001"

how do i solve this T.T?