Application shortcuts turned into an unknows format-please help

[niroop]

Yesterday ,i am trying to run a scan for errors with system mechanic 10 standard(not virus scan),SM detected 2 errors.1. i error on my one of the hard drive.2-registry is 10% fragmented.After repairing,it prompt me to restart and then after a system reboot ,all my application's shortcuts turned into strange type of format.Though i can access everything by double clicking on the icons.
Take a look at my desktop screenshot.
Attachment 215

Please tell me what to do to solve this problem.I have already tried cache rebuilding,and hard disk check for errors.

My OS-Windows 7 64 bit Sp1.
Thanks

Update:-Problem is solved now.If anyone experiencing this type of problem then please see below for the solution.