...my game suddenly starts freezing every two minutes. I have no idea what the hell is going on. I got through Dead Money, no problem and played for a good five hours or so after finishing Dead Money with no problems and suddenly the game seems to hate my guts....

Clear your Xbox 360 system cache and/or try installing it on your Harddrive. I had this problem alot in Fallout 3 and Fallout New Vegas and clearing your cache usually works. Installing it on your Harddrive means its rarely going to happen.

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Clearing the cache on the Xbox 360 is a fairly simple process, and can be useful if the system seems sluggish, unresponsive, or you just need to get rid of a game update (for whatever reason).

The most important part of clearing the cache is knowing what to expect. All downloaded game updates will be removed. So if you have downloaded an auto-update for a game, in order to play it on Xbox Live you will need to re-download it.

User game saves, profiles, demos, videos, etc. are not deleted during the process.
Clear the Cache on the Xbox 360

To clear the cache on the Xbox 360 do the following:

* Go to the Xbox Dashboard, select the System Blade, and select Memory.
* Highlight the HD symbol and press Y.
* Press X, X, Left Bumper, Right Bumper, X, X.

You will see a confirmation message to confirm system maintenance, proceed.

I'll give that a try. The game is already installed on my hard drive, so I'll try clearing the cache.