Solved Unable to install exe files when they are 100+ MB

[Polundra]

For sometime now. It seems I can not install exe files, but only if their file size exceeds 100MB. The error message states something like local group policies prevent this installation ask your system admin.

I have been hunting inside register and using gpedit.msc but was unsuccessful. Any hint would be appreciated indeed.

If I recall correctly it had something to do with hardening the Windows7 installation on this machine.

 

[torchwood]

Hi Polundra,
run this command it will show you all your current policies

rsop.msc

amend as required

Roy

 

[Polundra]

thanks

Appreciated, will take a look later this day.

 

[Polundra]

The cause and solution

Installing was blocked due too CryptoLockerPrevention. One of the rules prevents executing \AppData\Local\Temp\*.7z or similar commands to execute.

I found the setting in regedit. After I observed the error code in MMC - Logbook.

id event 866 - Software Restriction Policies
some {abracadabra}

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\safer\codeidentifiers\0\Paths\{cae944f9-189d-4eae-b1b3-4e051f3cfb46}

Searching for {abracadabra} in regedit gave me the exact rule.

Solution: Just rename the 7z in 8z. Reboot and it will not trigger. After install rename again also reboot and all security is fine again.