Once uBlock Origin stops working on Chrome, you have 2 options

Google has begun phasing out uBlock Origin, a popular ad-blocking extension, from Chrome due to non-compliance with Manifest V3. Reddit and X users report extensions being removed that don’t adhere to the new specification, with uBlock Origin already disabled on certain devices. Although uBlock Origin Lite is available, users may need to switch to alternative browsers like Firefox for continued ad-blocking functionality.

Full Article