function HandleBigfileError(filePath): try: if not File.Exists(filePath): return ErrorType.MISSING if File.GetSize(filePath) == 0: return ErrorType.ZERO_BYTE
Scroll down to and click Add or remove exclusions . Click Add an exclusion and choose Folder .
Identify the archive type and open correctly Unable To Open Bigfile Bigfile.000
The game launcher or executable might lack the necessary Windows permissions to read files inside the installation directory.
Security software can mistakenly flag the bigfile as a threat and quarantine or restrict access to it. function HandleBigfileError(filePath): try: if not File
This error is a hallmark of – likely a direct passthrough of strerror(errno) without any context. In 2024 (and beyond), there is no excuse for an error that doesn't differentiate between "file doesn't exist," "permission denied," "file is too large for 32-bit offset," or "corrupt archive."
If the simpler steps fail, a complete reinstallation is in order. Security software can mistakenly flag the bigfile as
Which (Steam, Epic Games, EA App) are you using? Have you recently moved the game to a different hard drive ? Share public link
This error is annoying but rarely fatal.
If it's a raw split DD image, you can the files first:
Troubleshooting “Unable To Open Bigfile.000” – Causes & Fixes