Open the downloaded file so that it will extract the file. After extraction, go to start, click on run and type "%temp%" then the temp folder will open, look for a folder 7zs... or something that starts like that. That was the hp files that was extracted.Look for a folder named UTIL>CCC> look for a file named Uninstall_L2.bat, double click that file and follow the instructions, please do not restart the computer after uninstallation finished and put a check mark on "restart my computer later". Perform again the Uninstall_L3.bat with the same procedure then restart the computer. Install back the software using the downloaded file.