TG Server - Too good to be played?

[Tarenth]

You play on any PUB server and you're lucky to get a squad leader who issues orders let alone a concrete fighting unit. The TG server gives people who play, 80% of the time, someone competant in charge so that field promotion upgrades fall upon us frequently.

Yeah...that's my praise to the TG server. Now here's something about the issue.

When you recieve a field promotion you must clear out every single 'next unlock' before you can go further down the tree of a class. This means you have to pick up a total of up to 9 unlocks before you can pick a second unlock in the same class tree as another.

Lately I've noticed that when I recieve the 8th field promotion (I have all of Engineer unlocked already) and can then choose another unlock from the same tree I have a problem. That problem being, BF2142 completely crashing on me. If I'm in the middle of a constant action like using the medic hub or ammo hub the game doesn't crash but just would like to crash and makes that known to me by freezing my computer.

Anyone else have that problem or a way to fix it?