Set Windows Update Service to run automatically

1. Press the Windows key + R on your keyboard to open the Run app.
2. Type services.msc in the respective field and click OK.
3. Under Service Manager Windows, right-click on Windows Update, and select Properties.
4. Set the Startup type field to Automatic, then click OK.
5. After you have completed the preceding steps, you must restart your computer in order for the modifications to take effect completely. The 0x8007042 error will be resolved once your PC has been restarted.

Disable IPv6

1. Open Control Panel and go to Network and Sharing Center.
2. Find your connection, click on it, then choose Properties.
3. Now you should see the list of items. Find Internet Protocol Version 6 (TCP/IPv6) and uncheck it. Finally, click OK to save the changes made.
4. It is necessary to reboot your computer as the final step in order for the alterations to take full effect. Once your computer has been restarted, the 0x8007042 error will be resolved automatically.

Use Registry Editor to disable IPv6

1. Press Windows + S on your keyboard to open the Search bar and type in regedit. Lastly, choose the most relevant result.
2. Under HKEY_LOCAL_MACHINE, click on System, followed by CurrentControlSet, and finally Services.
3. Scroll down till you find the TCPIP6 subholder and click on it.
4. Right-click on Parameters on the left pane, and choose New, then DWORD (32 BIT) Value.
5. In the name field enter DisabledComponents, then right-click on it and choose Modify.
6. Enter ffffffff as Value data and press OK to save changes.
7. Close the Registry Editor and restart your computer to complete the process. If you want to activate IPv6, navigate to the same key as in step 2 and modify the value of DisabledComponents to 0 or simply delete the DisabledComponents key entirely from your configuration.

Run the SFC and DISM tools

1. Press Windows + S on your keyboard to open the Search bar and type in cmd, then right-click on the most relevant result to Run it as administrator.
2. Type or paste in the following command and press Enter: sfc /scannow
3. After the previous process has completed, type in the next command and press Enter: DISM /Online /Cleanup-Image /RestoreHealth
4. Type or paste in the following command, one by one, pressing Enter after each:
   net stop wuauserv
   net stop cryptSv
   net stop bits
   net stop msiserver
   Ren C: \Windows\SoftwareDistribution SoftwareDistribution.old
   Ren C:\Windows\System32\catroot2 Catroot2.old
   net start wuauserv
   net start cryptSvc
   net start bits
   net start msiserver
5. Close the Command Prompt and restart your computer to complete the process. After it has rebooted, try installing the updates that you had originally planned to install.

Perform Repair Upgrade

1. Download Media Creation Tool from Microsoft.
2. Run MediaCreationTool.exe by double-clicking on the item
3. Choose Upgrade this PC now.
4. During the process, select Keep personal files and apps.
5. Let it install then restart your device.

Restart Network List Service

1. Press Windows + S on your keyboard to open the Search bar and type in run, then double click the first result to launch the Run app.
2. Now type in services.msc to launch Windows Services.
3. Locate Network List Service, right-click on it and select Restart.
4. Once you have performed the steps outlined above, you can proceed with the installation of the appropriate updates.