: The file might be corrupted or damaged, preventing it from being opened. This can happen due to abrupt system shutdowns, disk errors, or malware infections.
If the file isn't locked, it might simply be broken. unable to open bigfile bigfile.000
: Ensure that the software or application used to open the file is up-to-date. Consider trying a different software version or alternative applications. : The file might be corrupted or damaged,