Windows Installer service is corrupted.
After downloading, right-click the .exe file → → Digital Signatures tab. Select the signature (Microsoft Corporation) and click Details . You should see "This digital signature is OK." Windows Installer service is corrupted
A: Many older games have a hybrid architecture – the launcher or configuration tool is 32-bit, while the main game engine is 64-bit. You may need to install both architectures. Windows Installer service is corrupted
64-bit apps only look for the x64 redistributable. Windows Installer service is corrupted