The "failed to save data" error in Prototype 2 is a common technical issue on modern Windows systems, typically caused by permission conflicts or hardware incompatibility.
Change Global Settings: In the same Compatibility tab, click "Change settings for all users" at the bottom and check "Run this program as an administrator" again there to ensure the setting sticks. prototype 2 failed to save data fix exclusive
Set Affinity: While the game is running, open Task Manager. Find the process, right-click it, select "Set Affinity," and limit the game to only 4 or 8 CPU cores. The "failed to save data" error in Prototype
lock = redis.lock(f"lock:item:id", timeout=10)
if lock.acquire(blocking=True, blocking_timeout=5):
try:
current = read_item(id)
updated = apply_changes(current, newData)
write_item(id, updated)
finally:
lock.release()
else:
raise Exception("Could not acquire lock")
If you use OneDrive, Google Drive, or Steam Cloud, disable auto-sync for Documents. These cloud services lock the save file while Prototype 2 is trying to write to it. The game waits 0.2 seconds, gets impatient, and gives up. Turn off cloud saves for this title manually in Steam properties. Bonus: The "Cloud Conflict" Trap If you use
Turn off Controlled folder access or add prototype2.exe to the "Allow an app through Controlled folder access" list. Fix 3: Address OneDrive Interference