You really want to upgrade if possible. To quote Dr. Jones: "It belongs in a museum".

Apart from the problem you described, there are probably a zillion other critical bugs in your system that have been since fixed (and, as a bonus, you'll get a bunch of new ones installed when upgrading).

The problem is, most - if not all - of the software you mentioned seems out of support. Meaning, you won't get critical bugfixes, which in turn means you might have a security problem.