In the screen, select "Download the Windows Assessment and Deployment Kit for installation on a separate computer" .
Once the download completes, go to that folder and run adksetup.exe from there to finish the installation. setup cannot locate toolkit documentation-x86-en-us.msi
Download the from the official Microsoft support website. Launch the tool and select Installing . In the screen, select "Download the Windows Assessment
You are installing a development toolkit—often related to legacy Visual Studio components, Intel's compiler suites, or certain CAD/engineering software from the 2010s. Halfway through, the wizard halts with a modal dialog box demanding toolkit documentation-x86-en-us.msi . Cancel, and the entire installation rolls back. Retry, and it fails again. The documentation component is not missing; the pointer to it is broken. Launch the tool and select Installing
Microsoft provides a specific tool designed to fix corrupted registry keys that prevent programs from installing or removing.
If the error occurs because a previous version of the toolkit is partially installed and blocking the new setup, Microsoft’s official utility can clear the path.
Review the list of programs. Look for any entries related to the software you are installing (e.g., CUDA Toolkit , Windows SDK ).