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A new twist on OLE registration error

We are using Outlook 2003 sp3 with Exchange on Windows xp.

One of our users is unable to open ANY HTML-formatted custom form in
OUtlook.  The error she receives is "The form you selected could not be
displayed.  An OLE Registration error occured.  The program is not correctly
installed.  Run Setup again for the program."

Typically with form problems, you delete the form cache file and possibly
also delete the associated directory which forces the form to reinstall.  
I've done all that to no avail.  The form will reinstall but still generates
the error.

For the OLE portion of the error I've seen the suggestion to rereg
ole32.dll.  I tried that but it won't successfully re-register.  I tried
unreging first and that didn't help.  Reinstalling Office in our environment
isn't really a good idea.

RTF custom forms work fine.  Word is not set as the email editor.  Nothing
is disabled in Outlook and the user has no unusual addins listed.

What else can I try?
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QBUser
Asked:
QBUser
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2 Solutions
 
WaynejciCommented:
This is pretty common. rename the Frmcache.dat and Usrclass.dat files. Here's your fix: http://support.microsoft.com/kb/320835
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QBUserAuthor Commented:
I've already tried deleting the frmcache.dat file....and there are no usrclass.dat files on the PC at all.
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WaynejciCommented:
weird that it won't allow rereg of the ole32.dll

Try un-checking "make this folder avail offline" in send/rcv settings
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QBUserAuthor Commented:
Hers was already unchecked, so I checked it, closed/reopened Outlook but it made no difference.
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WaynejciCommented:
Not being able to reregister the ole32.dll is bugging me. Make sure Outlook is fully shutdown with no hanging Outlook processes and retry it.
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QBUserAuthor Commented:
Already tried that.  We do occasionally have issues with Outlook not closing so I made sure that it was completely gone.  I actually tried it several times.
I may end up upgrading her to ie7 (on 6 now) because of the odd connection to html forms being the only ones that return the error.
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WaynejciCommented:
That's actually a good idea. If for some reason you're trying to stay on ie6 you could try this IEFix utility:
http://windowsxp.mvps.org/IEFIX.htm. good luck
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QBUserAuthor Commented:
The IEfix didn't work and the user declined to upgrade to ie7.  So she's going to live without the forms.
Thank you for trying!
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