The native backup tools in Windows have a reputation of being unreliable and prone to errors, and it’s not without reason.
Some users are unable to set up automatic backups, while others can’t even backup manually because of various errors. Even in many initially successful cases, the backups turn out to be useless as you may’t recover anything from them.
As there are numerous such scenarios, we’ve divided this article into two sections dealing with backup and recovery errors for ease of reading.
Fix Windows Backup Not Working (Case 1)
If you face any errors (ex. 0x807800C5) during the backup process, or the backup seems to go well but fails at the end, the solutions in this section will be helpful.
Check File History Log
Before you start troubleshooting, checking the File History logs should give you a deeper insight into the problem. Here’s how you may check this:
The aforementioned error generally occurs because of a naming conflict with the previous backups or because thetarget volume is inaccessible. In such cases, users have had success with deleting theMediaID.binand the from the backup folder. If this doesn’t work, you may try deleting theWindowsImageBackupfolder entirely.
If these fixes don’t work, it’s worth trying to resolve some access issues. Here are the steps to do so:
Check Backup Services and Dependencies
You could also be facing problems with the backup process because the necessary services or dependencies aren’t running. you may ensure that this isn’t the issue with the following steps:
When trying to backup compressed files orbacking up to a FAT volume, you may encounter backup errors with the codes such as 0x80070001 and 0x81000037. Removing the reparse point from the library will be helpful in such cases. Here are the necessary steps for this:
Clean Boot and Use Diagnostic Utilities
If you encounter the 0x80070020 error, it’s likely due to interference from some program or process. Generally, this will be your antivirus. A clean boot will be helpful in such cases. Here are the necessary steps: