Well, have you actually simply considered rebooting your system? Flushing your caches?
I try that one eith the caches, already rebootet ae and so on
Thanks for reaching out. Please share the following details:
Are you getting this issue with all the files? What's the version of GPU driver installed on your system?
Let us know, we're here to help.
I'm having the same issue as well. Here is what I have done so far.
Already updated my GPU to the latest version.
Restarted After Effects and even Rebooted my PC.
Purged Memory & Disk Cache
Changed the shortcut
These fixes are also some of the recommendations i've read from others who are experiencing the same thing as well. I hope you can provide the solution for this. Thanks
GPU = GTX 1070
RAM = 32 GB
Latest version of After Effects