Repair or uninstall previous .NET 4 installs
If you are experiencing errors related to the .NET Framework on your Windows 7 64-bit system, here are some general troubleshooting steps: Download Net Framework 4.0.3019 For Windows 7 64 11 Fix
Microsoft provides a targeting pack that allows apps built for 4.0 to run on 4.8. Repair or uninstall previous
Do not download .NET Framework installers from third-party "DLL fix" sites. These often contain malware. Always use official sources. a critical clarification:
First, a critical clarification: