For the last couple of weeks AM just wouldn't start, occasionally it'd briefly appear in task manager then close, but most of the time nothing.
Figured I'd just try a new install but that's not working either, this problem was reported back in 2014 and it was due to .net framework but I've double checked and I do have 4.8 installed.
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Windows 10, logged in as an administrator. Any ideas ?
Just in case anyone else gets this issue, Patricke identified it as a problem with my .net framework. Sadly in Windows 10 there is no way to remove it or re-install and none of the many fixes on the internet worked either. So the only option was a fresh install of windows, but then decided I may as well try the Windows 11 update, was pretty quick, retained all my settings and files and now everything works normally again.