If I don’t doubt his ability, I’m more of a trial and error experiment, and well, it’s years of testing maybe 20 
I recommend that you install without privileges from the desktop or download folder, you should not have problems.
I don’t know right, but I think the root directories of C; or another disk give problems in some executables.
You can create the same directories and test, it may also be that some antivirus will block the execution, but I don’t think so.