The specific filename toolkit documentation-x86-en-us.msi indicates a localized (English - United States) installation package for documentation related to a specific toolkit, likely compiled for 32-bit systems (x86).
: If you are behind a corporate proxy, ensure it allows HTTPS connections to Microsoft's download servers (e.g., azcliprod.blob.core.windows.net Delete "UserExperienceManifest.xml" setup cannot locate toolkit documentation-x86-en-us.msi
The name breaks down as follows:
If the file cannot be found or the installation is corrupted, use Microsoft's official utility to clean up the registry entries. The specific filename toolkit documentation-x86-en-us