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Fix_Windows_Update_Error_Code_80070663_Guide

Error Code 80070663 is commonly caused due to the .NET framework installation failure. These are the following ways in which you can attempt to correct this error. <br><br>This 80070663 error code might occur because of improper removal of the previous version of office. This is generally caused due to the corrupt installation of Microsoft Office, while at times, the Windows update service is also accountable.<br><br>This Error Code 80070663 applies for all versions of windows like Windows 10, Windows 8 & 8.1 and Windows 7.

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Fix_Windows_Update_Error_Code_80070663_Guide

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  1. Fix: Windows Update Error Code 80070663 Causes of Error 0x80070663 - Usually triggered by corruption or failed installation of the .NET Framework, especially .NET 3.5. - Can also appear due to corrupt update packages, especially for Microsoft Office. Step-by-Step Fix Guide 1. Backup & Prepare - Create a System Restore point and back up your registry. - Confirm your system clock is accurate and connect via a stable network. 2. Enable or Repair .NET Framework 3.5 - Navigate to Control Panel Programs and Features Turn Windows features on or off, and ensure .NET 3.5 is checked. - If issues persist, uninstall associated .NET KBs and reinstall them manually. 3. Run Windows Update Troubleshooter - Go to Settings Update & Security Troubleshoot, select Windows Update, and run the troubleshooter. Restart afterward. 4. Reset Windows Update Components - Run Command Prompt as Administrator and execute: net stop wuauserv net stop cryptSvc net stop bits

  2. 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. Run DISM and SFC - In the same elevated Command Prompt, run: DISM.exe /Online /Cleanup-image /Restorehealth sfc /scannow 6. Repair or Reinstall Office (If Related) - If the error occurs during Office updates, go to Settings Apps Installed apps, select Microsoft Office, and choose Modify Quick Repair. - If that doesn't help, uninstall Office, reboot, and reinstall. 7. Install Problematic Updates Manually - Visit the Microsoft Update Catalog, download the necessary KB as a standalone installer, and run it manually. Quick Recap - Backup & set up .NET Framework 3.5 - Run Windows Update Troubleshooter - Reset SoftwareDistribution & catroot2 folders

  3. - Run DISM and SFC - Repair or reinstall Office (if applicable) - Manually install stubborn updates

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