Taskbar doubled in height

[Maru]

Help! I have no idea what I did, but my taskbar is now
doubled and I can't get it back to a single line. It's
not locked, either.

Thanks for any help!

 

[Thorsten Matzner]

Help! I have no idea what I did, but my taskbar is now
doubled and I can't get it back to a single line. It's
not locked, either.

See "How to Restore the Operating System to a Previous State in
Windows XP" (http://support.microsoft.com/?kbid=306084).