404 error when attempting to delete tag filter
70152
Can't delete question filters; fails silently
146166
Does it make sense to return a 410 instead of 404 when some page has been permanently removed?
35523
When I try to delete file in my PC it gives the error "Item not found"
121819
Show warning or 404 when following permalink to deleted answer
86550
Filters sporadically come up empty
3303
SEO (or other) problems with a 404?
147256
"Edit profile" section throws a generic 404 if I try to access it while suspended
104079
Searching for posts without a tag borks the search parameters
145391
Servlet filter wrapper - trouble changing content type
69592
Problem with clickable archive.org URLs
29774
Auto-delete orphaned tag synonyms
110598
Why can't I delete certain content types?
36780
How to redirect to a 404 in Rails?
126639
Massive 404 attack with non existent URLs. How to prevent this?
44207
Thousands of 404 errors in Google Webmaster Tools
26263
Need to redirect the non-existence URL's to 404 page instead of parent url
103728
Can I prevent the Chrome Developer Tools console from logging image 404 errors?