| Error Message | Missing Prerequisite | Solution | |---------------|----------------------|----------| | 0x80070643 – Fatal error during installation | .NET Framework damaged | Run .NET Repair Tool, reinstall 4.8 | | Unable to load Bentley.GeometryNET.dll | Visual C++ 2015-2022 x64 missing | Install the redistributable | | CONNECTION Client login window is blank | WebView2 Runtime | Download and install WebView2 | | No valid license found (Error 0x138f) | License server outdated | Update to License Service 8.10+ | | Graphic view is black | OpenGL driver missing or too old | Update GPU driver from manufacturer (not Windows Update) |
: A fundamental requirement for V8i applications. On modern systems like Windows 10 or 11, this must be enabled via Turn Windows features on or off in the Control Panel. | Error Message | Missing Prerequisite | Solution
Consumer cards (GeForce RTX) work for modeling but certified Quadro drivers are required for advanced rendering (LumenRT, iTwin, or real-time raytracing). or real-time raytracing).