Right so I was usig my PC yesturday and all seemed grand but I thought I should clean it up for a change so I ran my Norton 360 full scans and decided to Disc Defragment also. Long story short, I had to stop both and turn off my PC. Tried turning it on today and came to this message:

I get two options, Launch Startup Repair and Start Windows Normally.
When I try pressing 'Launch Startup Repair' this message comes up:

And if I press 'Start Windows Normally' it loads the usual Windows Screen but goes right back to this screen again!
So what can i do or is there anything i can do?

I get two options, Launch Startup Repair and Start Windows Normally.
When I try pressing 'Launch Startup Repair' this message comes up:

And if I press 'Start Windows Normally' it loads the usual Windows Screen but goes right back to this screen again!
So what can i do or is there anything i can do?