If your website won't load after updating to BuddyPress 12.1.1 it is likely a conflict with bbPress or another BuddyPress compatible plugin. Install the BP Classic plugin to fix this issue.

Okay
  Print

How do I remove category links from showing up?

Cuckoo, Socialize and Habitat Themes:

Go to Theme Options -> Posts -> Post Categories and add the categories you want to remove to the Exclude Categories box.

Huber Theme:

Go to Theme Options -> General and add the categories you want to remove to the Exclude Post Categories box.