Enable the option to see Hidden Files https://support.microsoft.com/en-us/help/4028316/windows-view-hidden-files-and-folders-in-windows-10
If you're experiencing issues with NoteCaddy not functioning properly, resetting the NoteCaddy settings back to their default factory settings can often cure the problem.
All NoteCaddy configuration files are stored in essentially the same place.
Open C:\Users\YOUR-PC-USER-NAME\AppData\Roaming\Max Value Software\Holdem Manager\3.0\AppsData\NoteCaddy
If you do not see this folder then it's hidden. You can type %appdata% into a File Explorer address bar to get into the roaming directory. Alternatively you can enable the option to see hidden files and folders, linked at the top of this article.
What the NoteCaddy configuration folder looks like:
Reset NoteCaddy Settings
Make sure Holdem Manager 3 & NoteCaddy are fully closed. Make sure the Holdem Manager 3 server is closed in the taskbar as well. Move these files into a different directory (for backup purposes) or delete them if you don't need a backup.
Reset NoteCaddy Definitions to Default
If you want to restore note definitions to factory default settings, delete the folder Definitions found in the image above and restart Holdem Manager 3.
Folder to Delete:
C:\Users\YOUR-PC-USER-NAME\AppData\Roaming\Max Value Software\Holdem Manager\3.0\AppsData\NoteCaddy\definitions