Resolving Error Code 0x800F0988 During SQL Server 2017 Setup

If you encounter the error code 0x800F0988 while installing SQL Server 2017, try these steps to resolve the issue:

1. Update Windows: This error may appear if your system is not up to date. Navigate to Settings > Update & Security > Windows Update to check for new updates. Install any available updates and attempt to install SQL Server 2017 again.
2. Activate .NET Framework 3.5: SQL Server 2017 requires the .NET Framework 3.5. Access the Control Panel > Programs > Turn Windows features on or off and select the .NET Framework 3.5 checkbox. Then, attempt the SQL Server installation once more.
3. Temporarily disable antivirus software: Sometimes, antivirus programs can obstruct the installation process. Temporarily turn off your antivirus and try the SQL Server setup again.
4. Utilise SQL Server Installation Center: Rather than the standalone installer, use the SQL Server Installation Center, which provides tools to assist in resolving setup issues and confirming all necessary prerequisites are met.
5. Examine the installation logs: For more detailed insights into the error, consult the installation logs located at %ProgramFiles%\Microsoft SQL Server`\Setup Bootstrap\Log\. Check for specific error messages or warnings, and consider searching the error code online for more precise solutions.