Container Station must be enabled to use Qcontactz. Follow these steps to recover your data:
a. Reinstall and open Container Station.
b. Choose the same path to store Container Station data (same path as used in the previous installation) and click "Start Now".
c. You will be prompted to either your keep the old data or to create a new folder. Click "Keep".
d. Stop/Disable Qcontactz in the App Center
e. Enable/Start Qcontactz in the App Center.
f. Launch Qcontactz and your data will be recovered.