Since I installed the new OSGeo4W installers for the 3.16 version around 2 weeks ago, my QGIS is sooo slow! No matter which installer I used (I tried the old and the new OSGeo4W network installer and the old and new standalone-versions), the program needs a long time to start and working with QGIS is almost not possible because it is so slow. Before I installed the new versions, I always made sure to delete the old versions. However, the plugins, profiles and favourites are still in the new versions, which I don't understand. I have a Windows 10 machine and 96 RAM and an Intel i7 2.6 GHz processor. Two questions:
- How can I make sure, that I deinstalled QGIS properly including all profiles, plugins and favourites?
- What could be the reason for the bad performance and how can I speed up my QGIS performance?