To uninstall MyQ:
Run unins000.exe. You can find this file in your MyQ program folder (The default folder is: C:\Program Files\MyQ\). The MyQ Uninstall dialog box appears.
All parts of MyQ will be uninstalled except for the Data Folder and its Job Folder. You can delete these folders manually. In case you install MyQ again, the installation program will ask if you want to use the old database files or replace them with new files.