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AE Mediacore Initialising hangs & then no Video Preview on macOS

New Here ,
Feb 28, 2020

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Each time I launch AE the program for the first time each day it stalls at 'Mediacore Initialising' and then after 2-3mins continues the loading process. Once AE is loaded, there is no video preview for clips or workspaces.
 
I have to then exit AE, reboot the iMac, relaunch AE and it proceeds through the Mediacore Initialise and AE loads correctly and all is good. The issue is that if I exit AE during the day or power down, I need to go through the same exercise again... load AE, wait for it to launch, exit & reboot before reloading AE.
 
Any thoughts? 
iMac is 2019 i9
OS - Mojave
 
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AE Mediacore Initialising hangs & then no Video Preview on macOS

New Here ,
Feb 28, 2020

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Each time I launch AE the program for the first time each day it stalls at 'Mediacore Initialising' and then after 2-3mins continues the loading process. Once AE is loaded, there is no video preview for clips or workspaces.
 
I have to then exit AE, reboot the iMac, relaunch AE and it proceeds through the Mediacore Initialise and AE loads correctly and all is good. The issue is that if I exit AE during the day or power down, I need to go through the same exercise again... load AE, wait for it to launch, exit & reboot before reloading AE.
 
Any thoughts? 
iMac is 2019 i9
OS - Mojave
 
Title edit by Mod.

Topics

Freeze or hang

Views

94

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Adobe Employee ,
Mar 02, 2020

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Hi Steven,

 

Thanks for reaching out.

Are you using any third-party plug-ins for After Effects? If yes, remove them temporarily and check if you are able to launch After Effects properly.

Here's the location where to find the plug-ins folder: HD/Library/Application Support/Adobe/Common/Plugins/7.0/MediaCore

Let us know if it helps.

 

Thanks,

Nishu

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New Here ,
Mar 03, 2020

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Hi Nishu,

 

Same problem here. iMac Pro 8 core Vega56. After clean reïnstal AE still the same problem ... Nothing in the mediacore folder ... ??

 

Thanks,

Bart 

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New Here ,
Mar 03, 2020

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When I'm going back to version CC2019 - no problems.

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New Here ,
Mar 03, 2020

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Catalina 10.15.3

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New Here ,
Mar 03, 2020

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Hi Nishu,

 

Threw everything from adobe away - support files etc. Did an install from scratch - Installed only AE and Media encoder. Bug persists. ;-(

 

B

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New Here ,
Mar 03, 2020

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Hi Nishu - been busy on set, I'll apply your suggestion asap. The real weird thing is that once I wrote the report, I changed one practise. I have an iMac running AE and a Mac Pro running Flame and they are connected on a mini network. Each time I have needed AE over the past few days, I also needed Flame so both machines were powered prior to launching AE. It may well be just luck but with both machines powered AE launched correctly. Maybe it's just one of those things where you call the techo and the machine won't repeat the problem. But I will run a few more tests over the next few days.

 

My iMac is not running Catalina as I heard AE was not optomised as yet for Catalina... is that the case?

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New Here ,
Mar 15, 2020

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Hi Nishu

Finally got back onto AE and for a few days the problem seemed to go away... today it's happening again so I followed your advice and unfortuanetly that didn't make any difference. The only work around seems to be to reboot each time it happens which is an absolute pain. Any other ideas?

 

Yes I run other 3rd Party apps from - Red Giant & Video Copilot - but essentailly I was using those apps before using AE 2020 and all was fine. So surely this is a bug in AE?

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New Here ,
Mar 03, 2020

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Hi Steven,

 

I found in my case the problem. Motion 3. In /Library/Application Support/Adobe/CEP/extensions/com.mtmograph.motion-next. If you throw away the com.mtmograph it works fine ...  .  I threw also away a cache file. This seems to be the problem. I'll try to find out which one I threw away ... It was somewhere buried deep in application support ...

 

Regards,

Bart

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New Here ,
Mar 03, 2020

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Hi Steven,

 

Probably it was this cache file: /Library/Application Support/Adobe/Adobe PCD/cache

 

Still no luck. After a while it re-occurs.

 

B

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