Unwanted Files on Desktop

i want to remove totally unwanted and unncessary files from win7 c drive. i have very small hard drive and i want to use more space.i want to delete those unwanted files, but i am not sure what r those. please help me out

I recently noticed that whenever I select a desktop folder and it opens, I have a menu bar (File, Edit, View, Tools, Help) that opens between the top address bar and the next bar in that folder (organize, system properties..etc) and when I drag my mouse over the file, edit..etc, those entries...

A broken glass sheet image shows on the left side of the screen as soon as I power on my sony VAIO windows 7 Professional laptop. How do I clear this unwanted broken glass sheet image? I can work on the right side of the screen and I have access to the taskbar. I do not have access to the...

I wanted to do a new install and for some reason when I told it to format the drive during initial re-install it decided that I should have a dual boot system with two copies of Win 7 Ultimate intead. I have tried all sorts of things to get rid of the second OS by changing the ownership from...