| Error Code | Meaning | Solution | | :--- | :--- | :--- | | | Database version mismatch | Uninstall all SQL Compact editions; let ESI reinstall its own. | | ESI-1003 | Corrupt downloaded chunk | Delete C:\ProgramData\Bosch\DownloadCache and retry. | | DLL missing: mfc140u.dll | Missing Visual C++ Redist | Install all VC++ runtimes (2005 to 2022) from Microsoft. | | “No interface found” | KTS driver not loaded | Go to Device Manager → Show hidden devices → Remove old “Bosch Virtual COM” entries. | | Update stuck at 99% | Firewall blocking port 4430 | Add exception for BoschUpdateService.exe . |
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