If you use J-Link applications with Pro-E 2001 under windows 2000 and also run Sophos virus checker you may find that J-Link applications refuse to start correctly. The symptom is that java.exe starts but the Jlink app doesn't. If you kill java.exe process then restart the JLink app it almost...
You may be using PROI_REVISION from the model or from the drawing but whichever you use this is the procedure:-
1) Save changes of everything that you have modified in the current ProE session
2) Refresh the workspace browser then set the revision and any other attributes of the drawing and/or...
I think this has appeared before - if your running windows 2000 the answer is to turn off the mouse pointer shadow. (start button - settings - control panel - mouse).
Regards and good luck.
Windows 2000 ?
Try control panel - mouse - pointers
and remove tick from the 'enable pointer shadow' box.
This should remove the unwanted mouse trails in sketcher