| Lock Type | Symptoms | Cause | |-----------|----------|-------| | | Cannot save changes, EDIUS opens project but warns it's read-only | Windows file attribute or network share setting | | File-in-use lock | "The file is already open in another EDIUS instance" | Another process (EDIUS, backup software, antivirus) holds a handle to the file | | Corruption lock | EDIUS crashes or says "Failed to load project" | Partial save, disk error, incompatible version | | Password protection | Prompts for a password | Third-party DRM or project encryption tool | | Permission denied | "Access denied" error | User account lacks Modify/Write permissions on the file or folder |
: Right-click the .ezp file, select Properties , and ensure the Read-only attribute is unchecked. edius project file ezp unlock