It seems you're referring to Xbox XISO Manager and a specific version number like 1.31.377 or an update related to it.
.iso file.Key Features
3. Redump Verification Refinements For preservationists, verifying a game against the Redump database is crucial. The 377 build refines the verification algorithm, ensuring that CRC32 checks are more accurate and providing clearer error messages when a mismatch occurs. This helps users distinguish between a bad ISO dump and a minor header modification. xbox xiso manager 131 377 upd
To help you further, are you trying to extract a game or prepare files for an emulator? It seems you're referring to Xbox XISO Manager
SUCCESS: XISO Integrity Restored. MD5 Checksum: Verified. UPD Patch Applied: Source Anonymized. Source Folder: Select the folder containing your game’s
Compatibility: Designed for Windows; may require Compatibility Mode (Windows XP) or specific .NET frameworks on modern PCs.
Converts a directory of game files into a single playable XISO file. ISO Extraction: