Run a full machine calibration via the Diagnostics tab. Version 3.4 recalculates kinematic offsets differently than previous versions. Ignoring this step can result in 1mm positioning errors.
Once you have successfully completed the legitimate Biesseworks 3.4 download, proper installation is critical. Assuming you are installing on a dedicated industrial PC (Windows 7 or 10 IoT Enterprise): Biesseworks 3.4 Download
(including bSolid and bNest), which offers more advanced 3D capabilities compared to the legacy 3.4 version. or trying to to a newer version of the software? Run a full machine calibration via the Diagnostics tab