logitech c270h works fine but Software does not start

Hello friends I am using Logitech c270h webcam with my computer and I am using this webcam from long time. Now after installing windows 7 I am facing one problem with my computer. After installing windows 7 I have installed Logitech webcam software in my computer but after that when I connect my webcam at that time Logitech software does not recognize webcam but when I try to use it with Skype and yahoo
First thing you have to check that when you open the Logitech software at that time did you get any error or not? If you don’t get any errors after double clicking on the software icon then I think your firewall might creating this problem. First of all you have to open the firewall and after that you have to check that Logitech webcam software not blocked. If it is blocked then you have to allow that software from firewall and after doing that try to open Logitech webcam software. I think after doing this trick your problem will get solved.For more useful tips & hints, please browse for more information at our website:-
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If you are getting the same problem after doing the above steps also then I think you have to first remove the Logitech webcam software completely from your computer with the help of Revo Uninstaller. Now after doing that restart the computer and after restarting the computer install the Logitech webcam software again your computer and after that try to open Logitech webcam software again. I think after doing that your Logitech webcam software will work fine.
After going through your post I have tried to solve this issue by checking my firewall but my firewall was not causing this issue and after that I have also tried to fix this issue but it gave me same problem after that also. Now after doing that I have removed Logitech webcam software by using Revo uninstaller and after that Installed Logitech webcam software again in my computer after restarting the computer but it didn’t make any difference. Reinstalling the driver also didn’t help me. Please suggest me some solution.