scf scannow problem: it tells me scf is not recognized as an internal or external command operable program or batch file
Windows: sfc /scannow
solution: Run the System File Checker (SFC not SCF) from an elevated Command Prompt. (typed: C:\WINDOWS\system32>sfc)
http://www.pcadvisor.co.uk/forum/windows-29/scf-scannow-314154/