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Windows 11 contains a feature called Smart App Control. This is basically an new type of protection against malware. It basically monitors apps that are not signed more than others, which can cause them to run slower. This does give enhanced protection against malware and ransomware, at a variable performance penalty.
https://learn.microsoft.com/en-us/windows/apps/develop/smart-app-control/overview One of my customers has this issue with every Windows 11 computer. An app that normally takes 2-5 seconds to open on every Windows 10 computer takes from 5-90 seconds to open, typically about 20 seconds. It seems to vary a lot from run to run. Below are instructions on disabling it. Beware that once it is disabled, Microsoft currently does not allow reenabling it without reinstalling Windows 11. Below is a batch file that will get this done, run it as administrator. The "citool -r" is needed after setting the registry entry, without it nothing is done. No reboot is needed after you do this. Copy to Clipboard
reg add HKLM\SYSTEM\CurrentControlSet\Control\CI\Policy /v VerifiedAndReputablePolicyState /t REG_DWORD /d 0x00000000 /f
citool -r
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