Resolving Error 0x800F0906 During SQL Server 2017 Setup

Various methods exist to address the error code 0x800F0906 encountered during SQL Server 2017 installation:

1. Ensure .NET Framework 3.5 Installation: This issue may arise if .NET Framework 3.5 is absent on your device. Navigate to Control Panel > Programs and Features > Turn Windows features on or off, select .NET Framework 3.5 (includes .NET 2.0 and 3.0), and confirm with OK.
2. Pause Antivirus Programs: Occasionally, antivirus applications may disrupt the installation. Temporarily disable your antivirus and attempt the install once more.
3. Opt for Physical Installation Media: If difficulties arise from a downloaded setup file, consider utilising physical media. Either burn the ISO to a DVD or use a virtual drive to mount it, then initiate the setup via setup.exe.
4. Verify System Compatibility: Confirm that your computer aligns with the prerequisites for SQL Server 2017. Review both hardware and software requirements listed on the Microsoft site.
5. Execute Setup with Administrator Privileges: Right-click the setup.exe and choose 'Run as administrator' to ensure the installer operates with sufficient permissions.
6. Check Windows Update Functionality: Ensure the Windows Update service is operational and current. Access Control Panel > Administrative Tools > Services > Windows Update, right-click and opt to 'Start' if it’s not active.
7. Conduct a Clean Boot: Perform a clean boot to remove potential software or service interferences. Navigate to Start, type 'msconfig', go to 'System Configuration', choose 'Selective startup', deselect 'Load startup items', click OK and reboot your system.