Unable To Open Bigfile Bigfile000 Exclusive Page

Do not skip this. A reboot clears file handles left behind by crashed processes.

Modern antivirus solutions (Windows Defender, McAfee, Norton) perform real-time scanning. When your game tries to open bigfile000 exclusively, the antivirus might intercept the request to scan the file for malware, creating a sharing violation.

Error Message: unable to open bigfile bigfile000 exclusive unable to open bigfile bigfile000 exclusive

Context: This error typically appears in backup software logs (most commonly Commvault) during a backup, restore, or auxiliary copy operation. It signifies that the process cannot access a chunk of backup data (referred to as a "bigfile") because it cannot secure exclusive rights to it.

Technical Translation: The application is trying to open a file (usually a chunk of backup data stored on disk or tape) with O_EXCL (exclusive) flags or requesting a lock that prevents other processes from reading or writing to it simultaneously. The Operating System returned an error (likely EACCES or EPERM) preventing this action. Do not skip this

If permission errors persist, take full ownership.

Check if bigfile000 is read-only or corrupted. Check Integrity (For Steam/Uplay/Epic Games users):

Check Attributes:

Check Integrity (For Steam/Uplay/Epic Games users):