Resolving .NET Framework Installation Error 0x800f081f on Windows 8

Follow these effective methods to address the installation error 0x800f081f for .NET Framework on Windows 8:

1. Update your Windows 8 system: Ensure your operating system has the latest updates by navigating to Settings > Update & Security > Windows Update, and then selecting Check for updates.
2. Utilize the .NET Framework Repair Tool: Microsoft offers a .NET Framework Repair Tool designed to resolve common installation problems. You can download and execute this tool from the Microsoft official site.
3. Manual .NET Framework installation: Should the previous methods fail, consider a manual installation. Obtain the .NET Framework setup from the Microsoft site and execute it with administrative rights.
4. Turn off antivirus software temporarily: Antivirus programs can occasionally block the installation. Disable your antivirus temporarily and try the installation again.
5. Perform a clean boot of your system: Executing a clean boot can eliminate software conflicts that might be hindering the .NET Framework's installation. Refer to the relevant Microsoft guide to carry out a clean boot.