: You can often still download the package directly from Microsoft Download Center.

: The tool was originally associated with KB3073930 , though the support page itself may now redirect to general Windows Update troubleshooting. How to Use the Tool to Block Updates

The (commonly known as wushowhide.diagcab ) is an essential utility for users who need to block problematic updates or drivers from automatically installing on Windows 10 and 11. While Microsoft has retired some older diagnostic tools, this package remains a functional workaround for preventing recurring system errors caused by specific patches. Where to Download the Show/Hide Troubleshooting Package

The tool is a standalone utility, meaning it does not require a full installation. Follow these steps to hide a problematic update:

: If official links are unavailable, community-trusted sites like MajorGeeks or GitHub host archived versions of the original file.

Microsoft has moved many of its legacy troubleshooting links, but the direct download for the .diagcab file is often still accessible through official servers or reputable mirrors.