It did not work for me,
I am using ACE 2011 on windoes XP and the sub folder shown in the last post doesn't exist.
HKEY_CURRENT_USER\Software\Autodesk\AutoCAD\R18.1\ACAD-9007:409\Ace_disp_cat_on_dwg
HKEY_CURRENT_USER\Software\Autodesk\AutoCAD\R18.1\ACAD-9007:409\Ace_disp_cat_on_proj
I changed both coordinates to zero and the catalog still freezing. I am also running on a dual monitor setup (Autocad in the 2e) but there is two other users in my business running with one monitor and they got the same problem.
I also found the following, but it didn't help for me. That's all I know about this issue.
Hopefully it works for you!
Another way to get a window back on screen that you
suspect is off screen, without having to edit the registry, is to use the key
combination Alt + Space to bring up the dialog's System menu (you may or may not
be able to see it) and then press "M" for Move. This will put the dialog
into a mode where you can move the dialog with your arrow keys. You could
try to reposition it with the arrow keys, but I believe once you press one
of the arrow keys and move the mouse, that if it is off screen, it will jump to
the mouse and you can move it with the mouse.
Thanks to alljones
If AutoCAD Electrical freezes or locks up when performing a catalog lookup, it could have to do with some table fields being empty in the default_cat.mdb database. At the very least, fields 1, 2, 4, and 5 must be populated for all records. We've seen this lockup issue caused by table records which don't conform to this standard. Once the lockup occurs, even switching back to the default catalog database (MDB) file won't correct the freezing behavior.
If you've confirmed that another Windows user works fine on the same workstation, then try the following:
The deleted registry key will be rebuilt and catalog lookup functionality should return to normal.
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