Error Codes prompted at the time of protection and unprotection?

Below are the error codes frequently occurred in the use of Easy Folder Guard. Each error code has its specific meaning:

Error Code 2: File Not Found.
Error Code 3: Path Not Found.
Error Code 5: Access denied.
Error Code 183: Homonymous file or folder.
Error Code 19: The media is write-protected (Read-only status).

• Previous: It prompts "The folder does not exist" when I open/unprotect a Password-protected folder or I cannot find the Hiding-protected folder in the software. What should I do?
• Next: I am prompted "Error code 0: failed to read encrypted data" when unprotecting a password-protected folder?
• Back to: User Guide

Readers also visited here:

• I am prompted "Error code 0: failed to read encrypted data" when unprotecting a password-protected folder?
• What if I am prompted "wrong password" when I unprotect a folder?
• What if a password-protected folder cannot be opened after unprotection?
• I am prompted "Open with" or "This is not a password-protected folder" when I open a password-protected folder?
• What if I forget the amdin password of Easy Folder Guard?