Many thanks for your lengthy reply, but unfortunately no COMM or Active-X
controls being used.

Cheers. 

-----Original Message-----
From: delphi-boun...@elists.org [mailto:delphi-boun...@elists.org] On Behalf
Of Cord Schneider
Sent: Monday, 29 June 2009 8:54 p.m.
To: delphi@elists.org
Subject: RE: App hanging during load

Ross,

You wouldn't happen to be using any ActiveX/COM controls in your
application would you? We recently had a similar issue where our
application stopped working for one of our clients after they applied a
Windows update (http://support.microsoft.com/kb/956572).

In a nutshell, our application late binds to a DLL that in turn, makes a
call to CoInitialize(). We found that deleting the DLL and copying it
back to the same location fixed the problem and we suspect that it has
something to do with Windows' caching of the DLL and the new (stricter)
security restrictions on COM applied by the update. If our application
was installed /after/ applying the Windows update, the problem did not
manifest.

I hope that this helps you track down your issue.

Best regards,

Cord
StaffPlan
http://www.staffplan.co.uk/


-----Original Message-----
From: delphi-boun...@elists.org [mailto:delphi-boun...@elists.org] On
Behalf Of Ross Levis ross-at-stationplaylist.com |Delphi Mailing List|
Sent: 27 June 2009 1:42 PM
To: Cord Schneider
Subject: RE: App hanging during load

Just an update on this issue.  I haven't yet tried debugging the
FormCreate
procedure as yet, but one user with this problem managed to resolve it.

In their case Windows had installed some Windows Updates, and the
problem
occurred after this.  They resolved it by restoring Windows to an
earlier
restore point.  My app then loaded up fine.  They then let Windows
install
all the updates again, and my app is still loading up fine!  Go figure!

I'm wondering if anyone has come across anything like this before and
what
it could be.

Thanks,
Ross.
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