Hey Ricahrd,
You will need to delete all updates in the products/vendors you don't want using the publishing service: How do I Remove Published Updates from WSUS and SCCM? - https://patchmypc.com/faq-scup-catalog#removing-published-updates
After that is completed, run the WSUS Cleanup Wizard.
Justin
Quote from: richard123 on July 10, 2019, 12:34:48 AM
How can I cleanup my catalog products inside SCCM SUP settings?