: To move Modbus Poll to a new computer, uninstall it from the old machine and install the latest version on the new one, then re-enter your key. 2026 Pricing and Terms
Using unauthorized or modified executable programs to bypass Witte Software registration controls compromises your industrial environment for several reasons:
| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | "Invalid Key Format" | Copy-pasted a space or line break | Paste into Notepad first, then copy again. | | "Key does not match this version" | You have a v8 key for v10 software | Download the legacy version (v8.x) from the website or buy an upgrade. | | "Hardware ID mismatch" | Using a key generated for a different PC | Deactivate the old PC or request a hardware reset from support. | | "Runtime limit still active" | You didn’t restart the software after entering the key | Close Modbus Poll completely and relaunch as Administrator. |
: To move Modbus Poll to a new computer, uninstall it from the old machine and install the latest version on the new one, then re-enter your key. 2026 Pricing and Terms
Using unauthorized or modified executable programs to bypass Witte Software registration controls compromises your industrial environment for several reasons:
| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | "Invalid Key Format" | Copy-pasted a space or line break | Paste into Notepad first, then copy again. | | "Key does not match this version" | You have a v8 key for v10 software | Download the legacy version (v8.x) from the website or buy an upgrade. | | "Hardware ID mismatch" | Using a key generated for a different PC | Deactivate the old PC or request a hardware reset from support. | | "Runtime limit still active" | You didn’t restart the software after entering the key | Close Modbus Poll completely and relaunch as Administrator. |