If you have a corporate license, you can also manage installations via the Siemens Software Center . 2. Pre-installation Requirements

| Error Code / Message | Likely Cause | Solution | |----------------------|--------------|----------| | “Driver signature error” | Windows Driver Enforcement | Restart PC → Disable driver signature enforcement → Reinstall driver | | “Missing MSVCRT.dll” | Missing Visual C++ Redist | Install VC++ 2015-2022 (x64) from Microsoft | | “Device not found in DFU mode” | USB cable issue or wrong driver | Reinstall Electra USB drivers, try another cable | | “Activation failed (code 0x8004)” | Firewall blocking license check | Allow electra_license.exe through Windows Defender | | “Download checksum mismatch” | Corrupted download file | Re-download from official site; compare SHA-256 |