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May 1, 2026

Media Encoder exports the comp on the upper left corner

  • May 1, 2026
  • 0 replies
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This has been happening for about two years now but it’s inconsistent so I have no idea what’s causing it. 

 

Basically the entire comps is exported in the upper left corner and the rest is black. 

Happens with different projects, different pixel sizes, different frame rates, different plugins used. I mainly use Media Encoder from After Effects, so I have no idea if it happens with Premiere too. 

The only thing that seems to be consistent is that it generally happens on bigger projects, where there’s a lot of materials, although the exported comp might not necessarily be heavy or complex.

In AE the comp exports just fine.

I realized that the bug appears in the preview as well, and if I change the pixel size of the export inside Media Encoder even of just 1px then it goes back to normal. 

Changing the export to Mp4 or to Quicktime doesn’t solve it, nor changing the bitrate.

 

Both After Effects and Media Encoder are up to date, right now it’s AE 26.2.1 and ME 26.2
I’m on Mac Os Tahoe 26.3.1

32 GB of memory

Chip M2

But has I said it’s been happening on and off for about two years so on different versions too.