C4DR21 Corona5 - Content browser

Hello,
Here you can see, that my 2D people previews in the content browser, are completely low quality.
C4D sometimes crashes after loading from the CB.
The images are tiff and alpha tiff.
Is there something I do not know?
Please can you help?
F.

This forum seems to be useless.
No help, no idea.

try to delete “directory cache” file in User/Appdata or some pref files or “BrowserDB” in cache folder in pref

Thank you. I will check this.