How To Fix Windows Update Error 0x80070005

Here is step-by-step guide to solve Windows Update Error 0x80070005, which is caused by windows has not permission to install updats, corrupted updated files, 

Step 1. Restart Windows

This is a little and simple step but can be effective.

Step 2. Get Full Permission

If first step does not work for you, then get full permission to install windows update.

1. Go to C:\Users\UserName\AppData. AppData is a hidden folder, so to view it, check "Show Hidden Files and Folders" from folder options.

2. Right-click on "App Data" folder and click "Properties". In the Properties windows, click the "Security" tab. Now, click Edit and then Add.

3. Enter Everyone and click "Check Names".

4. Click "Ok".

5. Now, check "Full Control" under Everyone to get permission to install windows update.

6. Now restart your PC, to see if this step works for you or not.

Step 3. Run Windows Update Troubleshooter

1. Go to settings by right click on start icon at the bottom left and click "Settings". You can also use shortcut keys (Window + I keys to open Settings).

2. Now, click "Update & security. Then Troubleshoot and then click Additional Troubleshooters.

3. Select "Windows Update" and click "Run the troubleshooter" to see if it fixes the problem or not.

Step 4. Check System Files with SFC

1. Type cmd in search box and click Run as Administrator.

2. Now type SFC /scannow and press Enter key to see this step fixes the error 0x80070005 or not.

Step 5. Fix Windows Update Issue with Quartz.dll

1. Open cmd as administrator.

2. Type regsvr32 quartz.dll and hit Enter.

Now try again to run windows update.

Step 6. Reset Windows Update Components

If the above steps are not working for you, then try resetting Windows Update Components

1. Run cmd as as Administrator.

2. Now type or paste net stop wuauser and press enter key.

3. Then type rd /s /q %systemroot%\SoftwareDistribution and hit enter key.

4. Now, type net start wuauserv and press enter key.

5. Now, restart your pc to see if the windows update error 0x80070005 fixed or not.