Cause: Antivirus interference or a stuck Windows Update background service.
Fix: Temporarily disable real-time protection (ensure you trust the offline file). Then stop the Windows Update service via net stop wuauserv in cmd (admin). After installation, restart the service.
If you see a Release DWORD with value 378389 or higher, you are good. microsoft net framework 4.5 offline installer
Go to Control Panel > Programs and Features > Turn Windows features on or off. If ".NET Framework 4.5 (or higher)" is checked, it’s present. However, this is less precise as it aggregates versions. Cause : Antivirus interference or a stuck Windows
Microsoft .NET Framework 4.5 is a Windows software framework that provides a large class library and runtime (CLR) for building and running managed applications—desktop, web, services, and more. The offline installer is a standalone package that contains all files required for installation without an internet connection, useful for air-gapped systems, bulk deployments, or environments with restricted bandwidth. If you see a Release DWORD with value