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The system recovery error 0x800700b7 is often caused by an antivirus or security program that prevents the system restore from working properly. In other cases, the 0x800700b7 error is caused during system restore because the Windows file system is damaged after a power failure or after an unsuccessful installation of a Windows update.
How to resolve the unspecified system recovery error 0x800700b7.
Removing the Registry Task Cache
1. press Windows + R, type regedit and press Enter.
2. navigate to the next registry key:
HKEY_LOCAL_MACHINE\LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\Current version\Schedule\TaskCache\Tree\Microsoft\Windows
3. Right-click on the Windows subkey and select Delete.
4. Close the Registry editor and restart your PC to save the changes.
Perform system restore in Selective Startup mode
The selective startup or clean boot state is used for diagnosis and troubleshooting of advanced Windows problems. Start your computer in this mode, then run System Restore again. Make sure you do not stop Microsoft services such as network services, plug and play, event logging, error reports and other services. If you disable these services, the system restore may not work as expected.
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Run the Chkdsk utility
Check the hard disk or Chkdsk is another integrated Windows tool that has been designed to repair file system damage. If the error 0x800700b7 is caused by damage inside the hard disk itself, then this tool should be able to repair it.
When it comes to running Check Disk, you can perform a file system troubleshooting or sector analysis. The file system error check examines corruption in the file system itself, while the sector check examines the integrity of the data sectors of the hard disks.
You can choose to run both, but I only recommend file system analysis at this time.
USE OF THE SYSTEM IN SAFE MODE
Safe mode is an excellent troubleshooting mode for Windows. System restore can be performed in safe mode. If it is running in safe mode, then you can restore Windows to a date on which system recovery worked properly.
- Press the On/Off button on the Start menu.
- Hold down the Shift key, then select Restart.
- Windows restarts and opens its advanced boot options. Press the Troubleshooting button and select Advanced Options to open other settings.
- Select Startup Settings and press the Restart button to restart.
- Press the 4 button to start Windows in safe mode.
- Enter System Restore in the Cortana search box. Select Create a restore point to open the window directly below.
Conclusion
You should be able to use your computer and not worry about this error at this point. While some people may think this is a trivial error that can easily be overlooked, registry errors can become much more serious and cause more problems with your device than you can solve, leading you to reinstall the entire operating system. To avoid this, follow the steps in the instructions above and you will never see this problem again.
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