To ease the space issue.
1) decrease the size of your system restore folder. At present it will be using 7Gb+ of hard drive space, To do this:-
Click on control panel, system , system restore. Move the slider down to just 1Gb. This will give you all the restore points you need. this should save 6Gb
2) download and run this free program called ccleaner.click here. Untick the cookies box to save passwords.
3) download and run treesize click here
This will tell you which folders are using the most space. Come back with the results and we may be able to increase more space for you.