This is on a Dell computer right?
Look at this article.
http://support.micro...om/?kbid=310794This issue can be caused by any software that changes the default security provider.
To reset the default security provider in Windows XP, delete the relevant registry keys in the Windows registry. To do this, follow these steps:
1. Start the computer. Press the F8 key during startup to start the computer in Safe mode.
2. Start Registry Editor (Regedt32.exe).
3. Delete the following registry keys in the Windows registry:
HKEY_USERS\.DEFAULT\Software\Microsoft\Cryptography\Providers
HKEY_USERS\S-1-5-20\Software\Microsoft\Cryptography\Providers
4. Quit Registry Editor.
5. Restart the computer.
Drive letter has been reassigned
Reset the drive letter of the system drive
Use Registry Editor to change the drive letter of the system drive back to its original value. Edit the following registry key to change the value of the system drive:
HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices
For additional information and steps detailing the exact procedure to rename the system drive letter, click the following article number to view the article in the Microsoft Knowledge Base:KB223188
http://support.micro....com/kb/223188/How To Restore the System/Boot Drive Letter in Windows
SRX660