| Question | Answer | | :--- | :--- | | | Yes, if signed by Ubisoft. | | Can I delete it? | Yes, but it will come back. | | Does it slow my PC? | Only during game verification/updates. | | Should I be worried? | No. It’s standard for Ubisoft games. | | Best long-term solution | Uninstall Ubisoft games you no longer play. | The Bottom Line gfpakhashcache.bin is not a virus, not a Windows error, and not something to lose sleep over. It is a performance optimization file for Ubisoft’s game launcher. If you are low on disk space, delete it freely—Ubisoft Connect will simply rebuild it.
However, if you are a competitive Rainbow Six Siege or For Honor player, . Deleting it forces a full file rescan, which can temporarily flag your game as "modified" and cause anti-cheat re-checks, potentially delaying your matchmaking. gfpakhashcache.bin
If you’ve been digging through your temporary files, running a disk cleanup utility, or searching for large, mysterious files taking up space on your Windows PC, you might have stumbled upon a file named gfpakhashcache.bin . | Question | Answer | | :--- |
When you download a large game (e.g., 80GB), the launcher splits the game into many small "packages" (PAK files). Each package has a unique hash—a digital fingerprint. | | Does it slow my PC
| Launcher | Cache File(s) | Purpose | | :--- | :--- | :--- | | | appcache\*.bin | Depot download cache | | Epic Games | webcache\*.bin | Launcher UI and manifest cache | | Battle.net | Cache\*.index | Game repair and patch buffers | | Ubisoft | gfpakhashcache.bin | PAK file hash integrity |
At first glance, it looks like system-generated gibberish. Is it a virus? Is it a crucial part of Windows? Or can you simply delete it to free up space?