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New Super Ultimate Injector SSL error fix
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nsui-ssl-error.md

The exact error message:

The request was aborted: Could not create SSL/TLS secure channel.

The fix:

(See here instead if running NSUI in Wine: https://gist.github.com/bmaupin/93d31e1b2d738ae656b9d3617e19622b)

  1. Install .NET 4.6 (a later version may work, an earlier version such as .NET 4.5 will not)

  2. Create a file with a .reg extension (for example, sslfix.reg) with this content:

    Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v4.0.30319]
"SchUseStrongCrypto"=dword:00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319]
"SchUseStrongCrypto"=dword:00000001

  3. Double-click the .reg file to apply the registry fix

Alternatively, try the patcher here: https://github.com/TheLevelUp/pos-tls-patcher

As a last resort, you can download thumbnails from the source:

  1. Go to https://github.com/libretro-thumbnails and pick the specific repo for the system (e.g. Nintendo-Game_Boy_Color)
  2. Click Go to file and start typing the name of the game
  3. Click the one under Named_Titles > Download
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