Large repacks try to use all your available RAM. If your system is unstable, it crashes with Error -14.
The error unarc.dll returned an error code -14 almost always appears when you try to install a file larger than 4GB onto a FAT32 drive. FAT32 cannot handle single files over 4GB.
How to check your drive format:
To convert FAT32 to NTFS without losing data:
After conversion, restart and re-run the installer. how to fix unarcdll returned an error code14 upd
The most overlooked cause of Error Code 14 is the Windows API limitation regarding path lengths. Historically, Windows enforces a MAX_PATH limitation of 260 characters.
Error -14 often occurs when the installer runs out of memory during decompression. Even if you have 16GB of RAM, the default page file may be insufficient. Large repacks try to use all your available RAM
Here’s how to increase it:
After restarting, try the installer again. To convert FAT32 to NTFS without losing data: