Installing Fuse broked Stride in Gamma 6.0157. How to re-install Stride cleanly?

Hello, i installed Fuse to test VL.ToolLoop.
I used the command line to do this and did’nt succeed to make work ToolLoop examples (rendering not working).
Seeing that things where buggy, i restarted my computer.

On start a window appears briefly saying its was installing something in program file / … stride something.

VL.ToolLoop still not working. I decided to pass thruth and I came back to my project, and there i have violet and red nodes on certain nodes related to stride, and white screen rendering.
I opened different versions of my project that were working before and still have the same result, my installation is corrupted somehow by the undesired patching of stride.

So my question is: what is the procedure to reinstall cleanly Gamma and Stride ?
I destroyed the Fuse folder in the nugget folder.
I changed of preview version, installed 6.0244 without success, having same red and violet nodes.

Thank you for your help !!!

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