Illinois homestead exemptions benefit homeowners in general, and they provide extra protections for specific classes of homeowner.
Delete temporary files on Windows Vista, Windows 7, and Windows 8. 1  Click on Start (For Windows 8, hit shortcut Windows key + R) 2  Type %temp% in the search box, and then hit the Enter key.  Click on one of the files in the folder that just opened, and press Ctrl + A to select all of the files in this folder.
that's why it's called Temp folder, it stores files temporary, you can delete all the files you want, those that won't let you it means that they are used. Don't worry, you won't delete anything important to harm Windows. Just skip the files that it doesn't let you delete and everything will be ok.