Net Framework 4.7 2 Windows 7 Certificate Chain Error Here
This helps if the error is caused by security software injecting its own certificate validation logic.
| Step | Action | |------|--------| | 1 | Install KB4474419 (SHA-2 signing update) | | 2 | Install KB4490628 (Servicing stack) | | 3 | Manually add missing root certificate | | 4 | Use /ignorecertchain (last resort) | | 5 | Consider OS upgrade if persistent | net framework 4.7 2 windows 7 certificate chain error