Setup Cannot Locate Toolkit Documentation-x86-en-us.msi -

: If you are deploying Windows 11, note that some versions of the ADK require a separate WinPE Add-on download. Additionally, the "Assessment Toolkit" might be listed but unavailable in certain releases.

files began to fill a local folder. When the download finally finished, Arthur ran the adksetup.exe setup cannot locate toolkit documentation-x86-en-us.msi

The error is often caused by a stale registry key pointing to a non-existent MSI. : If you are deploying Windows 11, note

Users report this error most frequently in the following situations: setup cannot locate toolkit documentation-x86-en-us.msi

Security software can mistakenly flag the download or execution of these background installers as suspicious activity, causing the setup to halt.

If the basic steps do not work, consider these technical workarounds: Download and install the Windows ADK | Microsoft Learn