quick look

I know there are already some threats about this but there is no threat with this problem described as a hackintosh problem. I (and some other forum users) installed the latest mojave beta en there seems to be an odd problem with quick look. On a real mac, quick look works like a charm. It...

I have an issue on osx 10.9.2. When I try to use Quick look (Preview) on image files (jpg,pdf,png etc..) instead of previewing the document, it'll say "An error occurred with the preview of this document" And then when I try opening the document, it'll quit immediately Any fix yet? Thanks for...