If you have got Windows could not start block level backup engine service on local computer. Error 0x80070005 Access Is Denied error in Windows 8.1 then I found the solution for this problem. Most of user got this error in Windows security options like Windows Firewall. So first you want to scan your PC for corrupted files. So follow simple steps to solve Error 0×80070005 access is denied in Windows 8.1.
How To Fix: Error 0×80070005 Access Is Denied In Windows 8.1
First open RUN (Win logo + R) and type “SFC /scannow” to scan your PC to fix corrupted files.
Open RUN and type “Regedt32.exe” then enter to open Windows registry editor.
Now open “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wcncsvc” path.
Now right click on “wcncsvc” and click Permissions.
Now find and select Administrators and then mark “Allow” on full control option. That’s it, now restart your PC.