To help narrow down the best solution for your environment, please let me know: Is the target machine ?
If you continue to encounter issues, try: net framework 4.7 2 windows 7 certificate chain error
| Issue | Solution | | :--- | :--- | | | Even after installing the SHA-2 updates, some systems may have a corrupted root certificate store. Use the official Microsoft Update Catalog to search for and install the "Root Certificates Update" package (KB931125). This will completely refresh the trusted root certificate list. | | Windows Update Service is Disabled or Corrupted | If you cannot install updates because the Windows Update service is disabled or corrupted: | | | 1. Open an administrative Command Prompt . | | | 2. Run the following commands in order: | | | - SC config wuauserv start= auto | | | - SC config bits start= auto | | | - SC config cryptsvc start= auto | | | - SC config trustedinstaller start= auto | | | 3. Run these commands to stop services and rename the update cache folders: | | | - net stop wuauserv | | | - net stop cryptSvc | | | - net stop bits | | | - net stop msiserver | | | - ren C:\Windows\SoftwareDistribution SoftwareDistribution.old | | | - ren C:\Windows\System32\catroot2 catroot2.old | | | 4. Restart the services: | | | - net start wuauserv | | | - net start cryptSvc | | | - net start bits | | | - net start msiserver | | | 5. Restart your computer and try installing the updates again. | | Third-Party Software Interference | Antivirus, firewall, and other security software can sometimes interfere with update installations. Temporarily disable these programs during the .NET Framework installation process. | | Corrupted System Files | Use the System File Checker tool to repair missing or corrupted system files: | | | 1. Open an administrative Command Prompt . | | | 2. Type sfc /scannow and press Enter. | | | 3. Allow the scan to complete. It will automatically repair any corrupted system files it finds. | To help narrow down the best solution for
Double-click the downloaded .crt file. Install Certificate: This will completely refresh the trusted root certificate
This was the go-to method for Windows XP and Server 2003 era, but it often resolves Windows 7 issues as well.
If you are an administrator deploying .NET 4.7.2 across multiple machines, you can bypass the online certificate check during setup using a command-line argument. Open the Command Prompt as an Administrator.
This problem occurs because Windows 7 lacks the modern digital certificates required to validate the .NET Framework installer package. Why This Error Happens