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Activity Forums Adobe After Effects AE CS3 “After Effects Warning: Unknown Exception”

  • AE CS3 “After Effects Warning: Unknown Exception”

    Posted by Joshua Ferg on August 23, 2007 at 11:33 am

    Just installed AE CS3 on my Mac Dual 2.5 PowerPC with 8 GB Ram.

    Opened up fine originally last night. This morning I reopened the project file and encountered an error message reading “After Effects: Unknown Exception”.

    Ran disc utility on the drive where AE lives. Trashed Preferences. Reinstalled. QT and OS are all up-to-date.

    Anyone have any info on where to turn next?

    Thanks in advance.

    Tisha Wyse replied 15 years, 5 months ago 12 Members · 12 Replies
  • 12 Replies
  • Tim Vaughan

    August 23, 2007 at 2:08 pm

    I think it may have something to do with a rogue plugin. I’ve had this issue before after installing Aurora Sky (I think…had quite a few problems, though I beleive this to be the issue I’ve had concerning this)
    After removing the plug in, everything worked fine.
    Hope this helps

    Tim

    Tim

  • Joshua Ferg

    August 23, 2007 at 4:39 pm

    I finally got it to work – apprently you have to go through the Adobe Uninstaller when wiping AE from your drive in CS3. After the reinstall it’s working fine.

    Thanks for the feedback.

    Best,
    Josh

  • Jesse Quint

    January 7, 2008 at 9:37 pm

    I never installed any new software I just had my MAC set to log off at a certain time and it quiet all apps. Now AE doesn’t work. How stupid is that. This is the second time I’ve had to get it reinstalled on my machine.

    Any answers to resolve this issue?

    JQ

  • Richard Lucas

    March 31, 2008 at 8:09 pm

    I simply dragged :
    ~user/Library/Preferences/Adobe/After Effects/

    to the trash (the whole After Effects Prefs directory) out of the folder to the desktop and After Effects launched fine and recreated the folder. I can’t recreate the bug so i guess it’s a working fix!

  • Pete Jeffs

    March 9, 2009 at 10:10 am

    Thanks to Richard for the solution on this, it just saved me having to contact my tech support to have them reinstall afx.

    Quick tip – you can delete afx’s preferences by holding Ctrl-Alt-Shift (Windows) or Command-Option-Shift (Mac OS) as you start after effects, no need to dig into your system preferences.

  • Daniel Millen

    April 2, 2009 at 8:42 pm

    Jeez! I’ve been dead in the water for DAYS over this. Then I figured I’ve give the ol’ Cow a search, and sure enuf…Deleting the preferences file, (specifically, holding down COMMAND+OPTION+SHIFT then booting up AE) worked like a charm! Thanks SO Much!!

  • Matthew Marsh

    June 23, 2009 at 8:38 am

    worked for me too

  • Mark Saliba

    August 23, 2009 at 8:07 am

    this forum is unbelievable. every single creative or technical problem i had so far was solved immediately. I got it working. Thanks a lot. I appreciate.

  • David May

    November 1, 2009 at 12:29 am

    Opening AE with an Unknown Exeption by holding down COMMAND+OPTION+SHIFT to delete the preference files then booting up AE works a treat: Thanks heaps guys!

  • Bez Palmer

    February 6, 2010 at 7:26 pm

    thanks a lot for that post. how amazing is the internet? I google the AE unknown exception warning and find the answer in about 20 seconds time. worth mentioning that my issue was the result of a reinstall (I won’t go into the details) of CS4; this fix works for After Effects 9 as well.

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