You can check in `Event viewer` if any service is restarting on that same time you right click.

Here too. Last issue was 19 Apr, last fix (reg profile change) made on that same machine on 20th Apr, no problems with fixed or untouched machines since. Could it be windows defender update, bcz on...

This week 6 machines started suffer temp profile error. As the others described, computers lag a bit on loading then enter srtaight in temporary profile with corresponding warning message about main...