Active Protection causes problems with vim editing (SOLVED)
Vim is an editor (like notepad). It has a feature which checks whether the current file has been modified by someone else before it saves (thus preventing 2 people editing the same file and "stepping on each other").
When this error condition occurs, vim provides error #w11 which reads "warning: the file has been changed since reading it."
When Acronis Active Protection is turned on, it somehow makes vim think this has happened so that whenever you save a file in vim (every time!), vim thinks that the file was modified by someone else.
I was able to consistently stop the behavior by turning Active Protection off. Eventually I registered the editor (gvim.exe) as a trusted service/application and that solved the problem.
I'm documenting the issue here so others can benefit from my frustration.


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Understand your frustration however, your problem is expected behavior from any whitelist based security product. False positives detected must be added to the trusted apps/processes list so that they are excluded from security scans. For more on AP look HERE
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