Fix Error Code 0x80070490 On Windows 10

Steps to fix Windows 10 Update Error 0x80070490 while updating Windows 10 to Version 20H2, 1909 or 1903
Step 1) Disable antivirus temporarily
Step 2) Run Update Troubleshooter
Step 3) Enable Windows Update, cryptographic service & Background Intelligent Transfer service
Step 4) Run DISM and SFC command
sfc /scannow
Step 5) Perform System restore
Step 6) Use Media creation tool