| Error Message | Cause | Solution | |---------------|-------|----------| | "Runtime version mismatch" | HMI firmware is newer than EBpro v6.05.01 | Upgrade HMI firmware OR find an older HMI. You cannot downgrade project runtime. | | "Failed to install USB driver" | Windows Driver Signature Enforcement | Reboot Windows → Disable driver signing (F8 menu for Win7/8; use advanced startup for Win10). | | "Cannot find device 'cMT3090'" | Device was introduced after v6.05.01 | Update to EBpro v6.07 or later. v6.05.01 does not support latest cMT X series. | | "Project file corrupted" | Project saved in newer version | You cannot open a v6.08 project in v6.05.01. Ask for a .cmp export or manually rebuild. |
Introduced checksums for backup files , allowing engineers to verify that their logs haven't been tampered with or corrupted. easybuilder pro v6.05.01 download