In my computer I have windows Vista operating system and I was having problems related to my HP C4860 Printer drivers and that is why I have uninstalled all HP software’s from my computer and then I have opened device manager and removed all the printer drivers from there. After uninstalling the drivers from my computer I have restarted it and then I have opened official site of the HP and downloaded all the drivers and software’s. When I start installing the software at that time all the things were going good but when it prompts to connect my printer USB cable at that time I connected the USB cable but installation does not recognize it. I have also tried difference USB port with no luck and because of that installation process does not complete successfully. Now I am not able to print from some application and not able to scan also. If anyone has any solution then let me know.