Close your web browser, Office programs, games, and any development tools. The installer will require system file access and may request a reboot.
Added substantial updates to ASP.NET, Windows Communication Foundation (WCF), and Windows Workflow Foundation. microsoft net framework 4.5 offline installer for windows 7
Corruption in Windows Component Store. Fix: Open Command Prompt as Administrator and run: DISM /Online /Cleanup-Image /RestoreHealth After completion, reboot and try the installer again. Close your web browser, Office programs, games, and