Now, deploy your Kirov airships. The world is waiting.

If you are playing the version from the or the Command & Conquer Ultimate Collection , you should not run the 1.001 patch. These versions are already patched to 1.001 or higher. If you try to patch them, you will receive the "Old File Not Found" error because the files are already newer than what the patch is looking for. Summary Checklist Check for Cracks: Ensure you aren't using a modified .exe .

When attempting to apply patch_1.001 to an existing installation, the patcher fails, reporting that a required “old file” (the pre-patch version of a specific game asset) is missing. This prevents the binary diff from completing, leaving the game in an inconsistent state.