Ofqual acknowledged grade boundaries had changed part way through the year, but stood by a new June grading system in a row over results.

BBC: Welsh government to consider English GCSEs report

Shadow education secretary Stephen Twigg said it was wrong to be thinking about changing the system while the row over this year's grades continued.

BBC: GCSE exam changes to be announced by Michael Gove

The first place to look for programs to nix is the system tray, the row of tiny icons next to Windows' clock in the bottom-right of the Taskbar.

CNN: Sluggish PC? Give it a workout