Assigned to support some ancient codebase or legacy system that should have been retired years ago? Maybe it was an old internal tool written in VB6, a critical system still running on COBOL, or a website that hadn’t been touched since the Netscape (eek!) days? Let's compare war stories, because I know you've got 'em. :-P
For me, it's maintaining Sphinx v2, which not only powers DaniWeb's search functionality, but also our user matching algorithm that our patents are based off of. James just got a staging server going with Sphinx 3.8 and I'm really not looking to the many, many hours it is going to take me converting over our sphinx.conf file to the new format.