Corrected from:
Behavior of the new version:
Description of the behavior:
PLC Designer 4.2 installation fails with Error: Package 'PLCDBase' requested an rollback.

Conditions under which the behavior occurs:
When CodeMeter Runtime V9 is already installed at PC.
Affected products:
PLC Designer V4.2
Short-term measure, recommendations, evaluation:
- Backup CodeMeter licenses
- Uninstall CodeMeter Runtime V9 (64-bit).
- Reboot the system.
- Install Lenze PLC Designer Setup 4.2.0.
- If required, reinstall CodeMeter Runtime V9 after the PLC Designer installation is complete.