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How to fix 0x80780166 error when backing up Windows 10/11
3 min. read
Updated onOctober 4, 2023
updated onOctober 4, 2023
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Several users reported their worries about the 0x80780166errorwhen backing upWindows10. They used theWindowssnap-in backup tool hundreds of times before and they never experienced this issue.
Thiserrorhas been known to occur as a result of one of the following causes: the incorrect status setting of Volume Shadow Copy service, corrupted data inside the WindowsImageBackup folder, or corrupted system files.
If you come across the same 0x80780166errormessage, we have a few working tips for you. To be more precise, down below, you’ll find a collection of potential repair strategies that other users in a similar situation have successfully used to solve the issue.
What can I do if getting the 0x80780166 error?
1. Check Volume Shadow Copy Service
Firstly, you should verify if the Volume Shadow Copy Service (VSS) is running properly. Apply the above steps to perform the procedure.
2. Delete the WindowsImageBackup folder
There are times when the drive where you want to store thebackupcontains the leftover files of the previousbackups. This error code often occurs if the previous backup procedure was interrupted or didn’t have enough space to complete, yet cleaning the WindowsImageBackup folder solves it.
3. Use the System Restore utility
Several concerned users reported that theerrorcontinues to occur after executing the above instructions. If you’re one of them too, don’t hesitate to restore your computer state back to a previous point when the issue wasn’t occurring.
Worried about restoring Windows? Check this guide and creating a system restore point will be like a walk in the park.
If there are corrupted system files on your computer, you may also encounter theWindows10 backup 0x80780166 error when running a backup. So, other potential fixes arerunning DISMto fix the corrupted system files or eventually performing a repair/clean install.
Do you know any other fixes? Share them with the other readers via the comments section below.
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More about the topics:backup,windows 10 error fix
Madalina Dinita
Networking & Security Specialist
Madalina has been a Windows fan ever since she got her hands on her first Windows XP computer.
She is interested in all things technology, especially emerging technologies – AI and DNA computing in particular.
Prior to joining the WindowsReport team, she worked in the corporate world for a number of years.
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Madalina Dinita
Networking & Security Specialist
Madalina is a Windows fan since forever, especially interested in AI, emerging technologies, privacy, and security.
