Windows Cannot install required files. make sure all files required for installation are available

Fix Windows cannot install required files. Make sure all files required for installation are available and restart the installation. I was frustrated seeing a blue screen each time I boot my HP G62 laptop and is so frustrating. A kind of thought as been occurring to me so i did a memory test for the RAM and Hard Disk. After running a memory test for the RAM the result was pass, the hard disk only pass the first test and the second test was stopping in 4% out of the 100% average test. I made up my mind that the operating system might have been the problem causing the blue screen error on my laptop. H ow to fix the Particular Problem. I have read a considerable amount of article online and i have seen people giving false solution but right now i have a perfect solution that will yield good result and smile after all the stress. Find means of copying all files or backup all necessary files, switch off your laptop and find a way of copying the win7 OS from the CD to your flas...