I run Patch 1.22 map editor on Windows 10 and 11 very, very often and have been running it this way for the last 3 years at least. But I have not encountered this issue you describe, unless it is new today from some Windows update.
Please try to relax and focus on what stupidity Microsoft might have done that causes your computer to confuse you. More than likely, a large corporation like Microsoft did not hand-tailor your computer to make you mad for seemingly no good reason. Instead, they probably created some setting that they believed made sense, but which does not make sense in your case. For example, I routinely will take the 1.22 game folder and tag the whole folder as read/write then forget about it for years.