: Legacy web-based display component. Verified Hardware & OS Requirements
Originally certified for Windows XP (SP3), Windows Vista, and Windows 7. : Legacy web-based display component
: DirectX 9.0c supported graphics card with at least 256 MB of video RAM ; for optimal display, use 24-bit color depth. The are not arbitrary
The are not arbitrary. They stem from deep dependencies on Microsoft runtimes, specific graphics driver contracts, and Windows OS behaviors. By following this verified guide—checking CPU, RAM, GPU, .NET Framework, VC++ redistributables, WebView2, and OS builds—you eliminate 95% of common installation and runtime failures. | Error Message | Root Cause | Verified
| Error Message | Root Cause | Verified Fix | |---------------|------------|---------------| | Error 1603: Fatal error during installation | Corrupt MSVC runtime | Uninstall all VC++ 2015-2022, reboot, reinstall latest from Microsoft | | Prerequisite failed: Bentley.IoT.Agent cannot register | Missing Windows Event Log service | sc start EventLog → reboot → run installer with SKIP_IOT=0 | | Missing API-MS-WIN-CORE-* | Outdated Universal C Runtime (UCRT) | Install KB2999226 (Windows 10) or upgrade to 21H2 | | Managed Debugging Assistant 'LoaderLock' | Conflicting .NET assembly | Run ngen uninstall for Bentley assemblies, then Setup /repair | | Prerequisite checker hangs at 90% | Anti-virus scanning temp CABs | Add %TEMP% to AV exclusions, kill msiexec.exe processes, retry |