To Uninstall Click2PDF, go to your Control Panel and choose Add/Remove Programs. Then choose Click2PDF, and hit the Change/Remove button.
Will not remove PDF files you may have placed in the program directory.
To remove the Click2PDF printer and the ~backup directory and the instant update file (IU.INI) and the CLK2PDF.INI from the Windows directory and the CLK2PDF.INI in the program directory.
To just remove the printer, run this from a command line: