Win7 system NET Framework4 installation failed with error 0x80240037. How to resolve it

Error code 0x80240037 in the context of .NET Framework installations on Windows usually indicates a problem with Windows Update. Here are some steps you can take to resolve this issue:

1. Run Windows Update Troubleshooter:

• Press Windows Key + I to open the Settings menu.
• Go to “Update & Security” > “Troubleshoot.”
• Select “Windows Update” and run the troubleshooter.

1. Clear Windows Update Cache:

• Open Command Prompt as an administrator by right-clicking on the Start button and selecting “Command Prompt (Admin)” or “Windows PowerShell (Admin).”
• Type the following commands one by one and press Enter after each:
  net stop wuauserv net stop cryptSvc net stop bits 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

1. Reset Windows Update Components:

• Open Command Prompt as an administrator.
• Type the following commands one by one and press Enter after each:
  net stop wuauserv net stop cryptSvc net stop bits 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

1. Install .NET Framework Manually:

• Download the standalone installer for .NET Framework 4 from the official Microsoft website.
• Try installing .NET Framework using the downloaded installer.

1. Check Disk Space:

• Ensure that you have enough free space on your system drive (usually C:) for Windows Update to download and install updates.

1. Check for Malware:

• Run a full system scan with your antivirus or anti-malware software to ensure your system is clean.

1. Check System Date and Time:

• Make sure that the date and time settings on your computer are correct.

After trying these steps, attempt to install .NET Framework 4 again and see if the issue is resolved. If the problem persists, you may need to consider more advanced troubleshooting steps or seek assistance from Microsoft support.