Fun fact: Everytime I read AVI, my mind translates this to "Audio Video Interleave" (which is the official name for .avi videos) and become confused really fast.
One of these days you'll learn what proper computer security is Link
Though seeing that you posted an extreme vague symptom of "trainer crashing" without any hints of troubleshooting from the guide which is linked in every single trainer, I would guess that you either have limited knowledge of computer software compatibility and how they work or are one of those people that are too stubborn to realize that troubleshooting is a humble process where you have to assume you screwed up somewhere whether it be system settings or AV settings. You also probably didn't know about Windows Clean Boot mode which helps to test if the AV is the problem without actual un-instillation of any software (AND IS LABELED AS A HUGE TROUBLESHOOTING STEP BY MICROSOFT FOR PROGRAM COMPATIBILITY ISSUES). This alone could have told you if any programs are interfering with trainer functionality but I'm sure you knew that and intentionally ignoring that small tool as after all you are a "computer guru" as you so self-described.
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