If you are installing .NET 4.5 simply because an app said "Requires .NET 4.5 or later," do not install 4.5.
If it still fails, use the from Microsoft. instalar net framework 45 para windows 7 new
For most users on Windows 7 today, the best path is to install . It covers the requirements for apps asking for 4.5 while providing better stability. However, if you have a strict legacy requirement, use the Offline Installer for version 4.5 after ensuring Service Pack 1 is active. If you are installing
dism /online /cleanup-image /restorehealth sfc /scannow sigue estos pasos: 1. Requisitos Previos
Easy Installation of .NET Framework 4.5 on Windows 7
Asegúrate de cumplir con estos requisitos para una instalación limpia y "nueva":
Para instalar .NET Framework 4.5 en Windows 7, sigue estos pasos: 1. Requisitos Previos