Cannot install .NET Framework
If Cannot install .NET Framework is not installing on your Windows 11/10 computer, here are a few things you could take a look at: Let us see these suggestions in detail.
1] Run DISM Tool:
Windows 11/10 users may follow these steps to run the built-in Deployment Imaging and Servicing Management. In Windows 11/10, the Inbox Corruption Repair brings the functionality of CheckSUR into Windows. You do not require a separate download to get the tool. You may simply Run DISM Tool. The System Update Readiness Tool would check System resources, such as file data, registry data, and even in-memory data, can develop inconsistencies during the lifetime of the operating system would try to resolve it in Windows 7 and earlier.
2] MSI software update registration corruption issues:
Sometimes the software update registration might cause issues in applying updates from Windows Update. Microsoft has a Microsoft Fixit tool that would resolve such issues. Read: How to check .NET Framework version installed.
3] Repair the existing version of .NET Frameworks:
Windows OS comes with .NET Frameworks pre-installed. Sometimes that version might have corrupted. So what we could do is to reinstall .NET through Programs and Features and run SFC /SCANNOW command to scan the integrity of all protected Windows system files.
Click on Start and under search type in appwiz.cplThen click on Turn Windows Feature On or OffUncheck on .NET Frameworks and click OKRestart your SystemNow click on Start and under search type in CMDRight Click on CMD and Run as administratorNext type in SFC /SCANNOWClick on Start and under search type in appwiz.cplThen click on Turn Windows Feature On or OffCheck on .NET Frameworks and click OKThen test it and see if that works.
4] Run .NET Cleanup Tool for .NET Frameworks 4.0:
Sometimes the failed install of .NET Frameworks might have some left-over files. So by running this tool, we can make sure that all left-over files will be removed. If these steps fail please see if any of these links are of assistance:
Microsoft .NET Framework Repair Tool.NET Framework Setup Removal & Cleanup Utility.