If C-Pen Core fails to start properly, it may be solved by erasing C-Pen Core settings files.
- Make sure C-Pen Core is NOT running.
- Open File Manager and navigate to C:\Users\[your-user-name]\AppData\Roaming\
- Erase subfolders Virrata AB and C Technologies.
- Navigate to C:\Users\[your-user-name]\AppData\Local\C_Technologies\
- Erase subfolder CPenCoreApp*
The folder AppData is a hidden folder. Check this article for information how to make hidden folder visible.