Sorry for the inconvenience. Known Navigation header breakage, its being "rebuilt" but forward nav should be ok now.
There may be other unforeseen breakage primarily in the handbook portion of the wiki.
The Table Of Contents section of each "PC-BSD® Users Handbook" page may be the best workaround.
Category:Post Installation Configuration and Installation Troubleshooting
Pages in category ‘Post Installation Configuration and Installation Troubleshooting’
The following 121 pages are in this category, out of 121 total.