Some file description pages is look as follows for me:
This is because "/ad/" section in the full image url - my ad blocker recognizes this as a link to be blocked.
These problems look as random and may be occurs for many users and visitors.
In my opinion, "/ad/", "/ads/", "/adv/" and maybe someone others should be disallowed to exclude their blocking by ad blockers.
''See also:'' T23677