Make sure your hardware drivers are up to date.
There really aren't any drivers as such - OSX 10.5.5 is the very latest that contains all new up-to-date hardware 'drivers'
Try removing the OpenGL plugin which can often cause startup errors in AE with certain graphics cards. It lives in the plugins/extensions folder.
@Nic: thanks for that. Gave it a go and it still crashes. I don't understand how CS3 works fine yet CS4 doesn't :(
You may have created a mess of your MediaCore libraries. The CS4 versions should be in place, but obviously never were correctly installed. Or you may have no rights to read the newly created folder. I'm not sure, as on my MacBook Pro with identical config the same scenario works perfectly, so it must be merely one of those minor things. I would check your "Library:Application Support:Adobe" directory and all its sub-folders, in particular for permissions. you should also see separate directories for CS3 and CS4. If not, something is definitely up...
@Mylenium: thanks for the advice. I've checked but everything seems ok. Is it possible there is a problem with some Quicktime codecs? I installed Perian recently but uninstalled when I installed AE CS4...
Was there ever a resolution to this, I have the exact same problem. Thanks.
You are entitled to free support from Adobe for these kinds of installation and "getting started" issues. Contact Adobe via phone, find a local phone number at
These kinds of issues are very complicated to solve via a web forum, so call Adobe directly to get help.
The only reason not to get phone assistance is if you haven't actually bought a license, in which case you probably know why you're having problems...
- Jonas Hummelstrand
I fixed this problem. I formatted the drive and reinstalled everything and it works fine now! I tried unpicking my way through codec's etc but ended up just tearing out my hair.
I'm glad to hear you fixed your problem, sorry to hear it took such drastic measures. Guess we'll never fix the root problem you were having :(.
i have the same problem, how did u format the drive etc...it crashes at Initializing MediaCore...i downloaded this as a trial to see if i really need to update, cuz christmas is coming up and i want to make sure this is what i want, but i obviously can't try it and i totally don't want to buy this if this is gonna happen.
Update...i finally got it to work, when i rebooted on Safe Mode, put i restarted and tried on normal, and nope, it doesn't work...is there anyone who has any idea of anyting affecting the loading...like programs or...I really don't know...I also am disapointed that 5 days of my trial have expired :(
Remove all 3rd party video codecs, such as DivX and K-pack and all the others.
- Jonas Hummelstrand
thnks for the suggestion, but it still crashes
I had the same issue. After some research I found out it was because sound plugin application named "Hear". After removing it from startup items AE CS4 started to work. May be you are using similar sound enchanting plugin/application.
i HAD that applications, but not anymore, thank to you, and o, IT WORKS NOW!!!! i love u, ut hate 4 days of trial left, and 7 days till christmas
Where did u found the plugin?
I have same problem and maybe I also have the plugin,
How do I know I have it? Or where do I find my sound plugins?
(Same error on CS3)
I worked on a project(Premiere Pro CS4) for 3weeks, I downgraded to 1.5(Trail version) wich worked normal but said the project is corrupt, so I rly need to get CS4 working again, so see if the project is still there.
If you are using red giant Radium Glow- take that folder out of your mediacore folder and then relaunch. This was the source of my mediacore errors- (it needs to be updated)
If that does not work, take out all the files in media core that are NOT AE installed and try each one of them one at a time to find the culprit.
if you experience crashes please refer to this link http://www.adobeforums.com/webx/.59b778cd
a crash reporter log may seem unreadble for many people in many instances but the people form adobe surely can encrypt that file and find the right answer or solution.
Remove all your fonts then reinstall using Linotype Font Explorer (Not fontbook - it sucks).
This will manage your fonts and remove any that may be corrupt.
Now my CS4 products run like a dream. Try it...
Mike's exactly right - for many people just deactivating the font 'zebra' does it - check on the macosxhints forums -
After Effects and Illustrator CS4 were crashing because of it. Now they work great! Hope it helps others not to have to reinstall everything from scratch!
Ran into this problem today. I made sure to send a detailed report to Adobe. I have traced the problem to Red Giant Knoll Light Factory plugins. I am using the latest version 2.5.3.
Removing the plugins from the MediaCore folder allows CS4 to open again. I tried moving the KLF plugin folder to the AE CS4 Plugins folder instead and it opens, but as soon as you try to apply the filter, it crashes the same way.
The AE CS4 9.0.1 patcher did not fix the problem either.
MacPro 2x2.66 GHz - 8GB RAM - 10.5.5 - AE CS4 9.0
I am running AE CS4 9.0.2 and OS X 10.5.7.
I recently had a similar problem with AE crashing on start up. What I discovered was that three files in my Library/QuickTime folder were causing the problem. They were:
Flip4Mac WMV Advanced.component
Flip4Mac WMV Export.component
Flip4Mac WMV Import.component
After I found this, I went to the Flip4Mac website (http://www.telestream.net/flip4mac-wmv/overview.htm) and downloaded the lastest free version. After I installed that, AE started up fine.
Hope this helps.
didn't think it was possible, but just deactivated one font 'zebra'
and it works fine.
I'm running 10.5.8, AE 9.0.2.
I tried everything recommended, short of wiping my computer and starting ALL over!
I don't have the 'zebra' font..... but I do have Flip and that was the problem.
I removed the flip files from the QuickTime folder and BAM! all's well again!
I updated Flip while I was on vacation and didn't need AE until now.
THANKS!!! IT HELPED A LOT!
I have been pulling my hair out over this.