Unity freezing while editing a scene

Hey all,

I’m making a 2D platformer game for a school project, followed some tutorials and made some good progress but after a few days Unity would freeze after selecting Tiles in the tile palette. Made 2 layers one for the Foreground and one for the Background and adding/ removing in the Foreground is slow but unity doesn’t freeze but when I try to add/ remove tiles in the background unity freezes for 10-20 seconds and that happens every time I move my cursor to a new location where I want to add/ remove tiles. Unity doesn’t show any error in the console the only thing I get is that my project stops responding. (see image)
Tried already some things like working on an onther device but still got the same result, I also turned my pc off and back on but the problem still persist.

Anyone that has a solution for this?

Image of taskmanger:
5952029--637757--upload_2020-6-8_10-26-40.png

Hey @Peppie22 ,

Try to close your project, delete the Library and Temp folders, and open your project again.

If the previous suggestion is not working, check also how much memory is free on your PC when Unity freezes. If you have a low amount of memory, try to close all the other applications to release some memory to be used in addition by Unity.

Good luck with it!