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The XP bug is a set of closely-related bugs in Carnivores 2 which affect the game's performance on Windows XP and some other operating systems, most notably causing the game to crash at random. Alacn was the first person to release a patch for this bug, although some other patches have been released since Action Forms gave the game's source code to a handful of people.


Some of the effects of the XP bugs are:

  • Non-administrator accounts cannot create new game accounts or save progress on existing ones
    • New accounts will start with -50 credits
  • Once a hunt has been started, the game will crash at random, usually sending the player back to the hunt menu and giving a "Heap Allocation Error" message. The game may sometimes crash while the level is being loaded as well.


Machf has determined that many of the issues surrounding the XP bugs are due to the Brachiosaurus' unique .CAR file. Removing the Brachiosaurus entry from the player's _RES.TXT file therefore should fix the bug in many cases.

  • This needs a link to where Machf posted his findings and more detail.

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