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Fix System Restore 0x800700B7 error: If you are using Windows Backup and Restore, the error "System Restore did not complete successfully" may have occurred accompanied by an error code 0x800700B7. The 0x800700B7 error means that an unspecified error has occurred that is preventing the System Restore program from running. Although there is no particular cause of this error, but after investigating it it is safe to assume that it may be caused by antivirus software conflicting with the system, or by corrupted registry entries or system files due to third-party software, viruses. or malware, etc.
The antivirus denies the restore system files that were previously marked as harmful, but as the system restore is performed it tries to restore those files again and thus a conflict occurs leading to the system restore error 0x800700B7 . So without wasting any time let's see how to actually fix System Restore error 0x800700B7 with the help of the troubleshooting guide below.
System Restore Error 0x800700B7 [Fixed]
Make sure to create a restore point in case something goes wrong.
Method 1: Delete the Task Cache from the Registry
1.Press Windows key + R, then type regedit and press Enter.
2.Navigate to the following registry key:
HKEY_LOCAL_MACHINE_SOFTWAREN-MicrosoftWindowsNTNCurrent VersionN-CalendarTaskCacheN-MicrosoftWindows Tree
3.Right-click the Windows subkey and choose Delete.
4.Close Registry Editor and restart your PC to save the changes.
Method 2: Run the SFC and CHKDSK
1.Press Windows Key + X and then click Command Prompt (Admin).
2.Now type the following in the cmd and hit enter:
Sfc / scannow sfc / scannow / offbootdir = c: / offwindir = c: windows (If the above fails)
3.Wait for the above process to finish and type the following command in cmd and hit Enter:
chkdsk C: / f / r / x
4.Uncheck the Safe Boot option in System Settings and then restart the PC to save the changes.
Method 3: Try System Restore in Safe Mode
1.Press Windows Key + R, then type msconfig and hit Enter to open System Configuration.
2.Switch to the boot tab and check the safe boot option.
3. Click Apply and then OK.
4.Restart your PC and the system will boot into safe mode automatically.
5. Press Windows key + R and type "sysdm.cpl" and then press enter.
6.Select the System Protection tab and choose System Restore.
7. Click Next and choose the desired System Restore point.
8. Follow the instructions on the screen to complete the system restore.
9.After rebooting, you may be able to fix system restore error 0x800700B7.
Method 4: Disable antivirus before restoration
1.Right-click the Antivirus Program icon in the system tray and select Disable.
2. Next, select the time during which the Antivirus will remain disabled.
Note: Choose the shortest amount of time possible, for example 15 or 30 minutes.
3.Once done, try again to restore your PC using System Restore and check if the error is resolved or not.
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That's it, you have successfully fixed the 0x800700B7 system restore error, but if you still have any questions about this post, feel free to ask them in the comment section.
