In order to properly reinstall the app completely on your computer, please, follow the steps below:
1. Please go to Programs and Files, find Folder Colorizer 2 and then click Uninstall.
2. Remove any remaining files in the Folder Colorizer 2 folder and empty the trash.
3. Reboot your computer.
4. Kindly download and install the proper version of the app here: https://softorino.com/earlier-versions/.