How to fix error 0x8007003B (An unexpected network error occurred) on Windows 10, Windows 8.1., Windows 7 (Nothing else worked)

What is error 0x8007003B and why does it occur?

The error 0x8007003B (An unexpected network error occurred) is a disk or network error and occurs when you try to transfer files from one computer to another via network, particularly when you try to transfer larger files in size.

Possible reasons for the error code include:

• Unstable network connection;
• Damaged system files or misconfigured system settings;
• The built-in Firewall and the antivirus software;
• A virus/malware;
• Limitations in the Installation/file transfer destination formatting;
• Bad sectors in the destination folder, i.e. a faulty hard disk drive.
• Wrongly mapped drive in your network.
  
  

We spent considerable time consulting relevant experts and people who had this network error and our research led to the solutions listed below.