| Error Code | Description | Solution | | :--- | :--- | :--- | | | Fatal error during installation | Run Windows Update, reboot, then re-run the offline installer as Admin. | | 0x800f0922 | CBS (Component Based Servicing) corruption | Run DISM /Online /Cleanup-Image /RestoreHealth and sfc /scannow . | | 0x80240017 | Unsupported OS or missing update | Install KB2919355 on Windows 8.1 or KB3063858 on Windows 7 SP1. | | 0x800713ec | .NET 4.5.2 already installed | Go to Control Panel > Programs > Turn Windows features on/off. Verify it’s checked. | | Hanging at 99% | Windows Update conflict | Stop Windows Update service (net stop wuauserv) and retry. |
If you receive an error saying the installation is blocked, it usually means a newer version is already installed, or there is a corruption in the current framework. download microsoft net framework 4.5 2 offline installer
If you are a system administrator, a gamer, or a software developer, you have probably encountered the frustrating “missing .NET Framework” error. Many legacy applications, ERP software, and games specifically require version —and they need the full, standalone setup. | Error Code | Description | Solution |
Installing on computers that are offline or have restricted connectivity. | | 0x800713ec |