Patch.dat Patch.fat 72 !!install!! - Far Cry 3 Original
Here’s a breakdown of what that likely means, followed by a sample long review/analysis based on common player experiences with modding and patching Far Cry 3.
6) File permissions
- Right-click game folder → Properties → Security → ensure your user account has Full Control.
- If the game runs as admin, try running the launcher/game as Administrator.
Method 2: Manual Backup (Prevention is better than cure)
Before you install a single mod, navigate to:
C:\Program Files (x86)\Steam\steamapps\common\Far Cry 3\
Copy patch.dat and patch.fat to a separate folder called BACKUP_ORIGINAL_v72. Far cry 3 original patch.dat patch.fat 72
5) Restore from backup or reinstall patch files
- If verification fails or you have a separate original patch.dat/.fat from a trusted source (your own backup or official patch installer):
- Place patch.dat and/or patch.fat in the game root or the subfolder where they were originally (common locations: main game folder or a "data" folder).
- Ensure file names and extensions are exact (case-insensitive on Windows but keep names identical).
- Set file properties to not read-only if needed.
- If you do not have originals, reinstall the game or re-run the official patch/launcher to obtain legitimate files.
What you're trying to do
The patch.dat / patch.fat files contain post-release updates, DLC, and multiplayer fixes.
Many mods (like Ziggy's Mod, Redemption, or FC3 Realism) replace these files. To revert to original/vanilla: Here’s a breakdown of what that likely means,
Step-by-Step Guide to Restoring "Far Cry 3 original patch.dat/patch.fat 72"
Let’s assume your game is broken or you want a clean slate. Follow this precisely: 6) File permissions
- Uninstall all mods: Delete any
modsfolder or custom.dllfiles (liked3d11.dllfrom injectors). - Navigate to the game directory:
...\Far Cry 3\ - Delete the existing files: Remove
patch.datandpatch.fatfrom the directory. Do not skip this; overwriting can cause fragmentation. - Restore from backup OR Verify files:
- If you have a backup: Copy your
BACKUP_ORIGINAL_v72files into the game directory. - If you don't: Run Steam/Uplay verification. It will redownload the pristine v72 files.
- If you have a backup: Copy your
- Launch the game once: Before installing any new mod, launch Far Cry 3 to the main menu. This confirms the files are valid.
- Now install your new mod: Follow the mod’s instructions, which will almost always say, "Based on original patch v72".
3. Manual restore (if you have a backup)
If you backed up the original files before modding:
- Copy your original
patch.datandpatch.fatintodata_win32\, overwriting the modded ones.
8) Run the game with clean launch options
- Disable overlays (Discord, Steam, Ubisoft Connect overlay).
- Run game.exe (or launcher) as Administrator.
