opencv – python modules fail to import

About 2 weeks ago i started opencv python course on youtube, it all worked just fine, but when two days ago I tried to continue learning (In meantime I tried to make disord bot and module worked normally, also there was windows update), python code which used to work stopped doing that. I tried different python versions and reinstalling modules with no result. I deleted all (3) python versions and downloaded latest 3.9.0 version, i reinstalled all modules (I can’t install module now) and it is still not working. I really don’t know what I should do next. Maybe someone had this problem too or knows what to do?