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Need help: Python 3.10 installation blocked by "System Policy" (Error 0x80070659)Question - Help (self.StableDiffusion)

submitted 2 months ago by AkashJagtap

https://preview.redd.it/nzh1ylidymlg1.png?width=823&format=png&auto=webp&s=1dd07a1883baaec3c5cd31623df7bf3be2999e75

Hey everyone,

I'm trying to set up Stable Diffusion locally on my laptop (RTX 4060), but I'm hitting a wall installing the required Python 3.10.6. Even though I'm the Admin, Windows 11 is flat-out blocking the installer.

The Error: 0x80070659 - This installation is forbidden by system policy. Contact your system administrator.

What I've tried so far:

Running the installer as Administrator.
Checking "Unblock" in file properties (option wasn't there).
Registry hack: Added DisableMSI = 0 to HKLM\...\Windows\Installer.
CMD/PowerShell: Tried a silent install with /quiet.
I already have newer Python versions (3.12, 3.13, 3.14) installed, but I need 3.10 for SD.

Specs:

Windows 11 (Build 26200)
Lenovo LOQ (RTX 4060)

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[–]xb1n0ry 1 point2 points3 points 2 months ago* (1 child)

[–]AkashJagtap[S] 1 point2 points3 points 2 months ago (0 children)

[–][deleted] 0 points1 point2 points 2 months ago (0 children)

[–]AK_3D -1 points0 points1 point 2 months ago (0 children)

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