How to Fix Windows 10 Error Code 0x8007003B "An unexpected network error occurred"?

by Ugnius Kiguolis - -


Issue: How to Fix Windows 10 Error Code 0x8007003B "An unexpected network error occurred"?

Hello. I want to report a problem, which is consistently happening on the Anniversary Update (1607) of Windows 10. When I create a folder on a share on Windows Server 2012 R2 Essentials, File Explorer gets stuck for about a minute and then throws an error message that reads as follows: “An unexpected error is keeping you from renaming the folder […] Error 0x8007003B: An unexpected network error occurred”. Please fix this issue!

Solved Answer


Windows 10 Pro Version 1607 Build 14393.x (the August 2016 Anniversary Edition) users have started reporting an Error Code 0x8007003B massively. A research revealed that any type of Windows 10-1607 (virtual machine or physical, with different motherboard/NIC manufacturers) running Windows Server 2012 R2 Essentials in a virtualized environment can, and usually does, encounter this error when trying to create or rename a folder. The process of such task is extended obviously from the first click and eventually freezes handing File Explorer and ending up with an error message “Error 0x8007003B: An unexpected network error occurred.” Several people pointed out that the error causes Outlook to stop working either.

Sadly, but Microsoft hasn’t yet approved this issue, meaning that you cannot find any 100% reliable 0x8007003B error fixes. Nevertheless, people are dealing with this bug for such a long time that various methods to fix it have already been tried. For example, such common error triggers as anti-virus/firewall conflict, damaged/corrupted system files, server, and client connection issues, etc., but none of them actually worked, except one. The only useful solution offered on the IT forums is to disable the Windows Search Service. While this solution is only at the time being, carefully deliberate whether disabling Windows Search isn’t worse than receiving 0x8007003B error while creating or renaming folders, especially having in mind that closing the pop-up and trying to rename/create the folder for a second time usually succeeds. If, nevertheless, you use search on rare occasions, do not hesitate and disable Windows Search to fix 0x8007003B error on Windows 10. For this purpose, you have to:

  • Click Win key + S, type Services, and press Enter.
  • Find Windows Search, right-click on it, and select Properties.
  • Find Startup type and change its status to Disabled.
  • Click Apply.
  • DO NOT reboot your PC after that.  

Hopefully, you have managed to fix 0x8007003B error by performing these simple steps. If, however, the error did not disappear, you should try to disable your anti-virus or firewall and then try to create/rename a preferred folder. It might be in your case that anti-virus or firewall is causing a conflict. Finally, do not forget to initiate a full system scan with an optimization utility, for example, Reimage.

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About the author

Ugnius Kiguolis
Ugnius Kiguolis - The problem solver

Ugnius Kiguolis is the founder and editor-in-chief of UGetFix. He is a professional security specialist and malware analyst who has been working in IT industry for over 20 years.

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