Control panel not responding

Hi

 I am using windows 7. When I open control panel it shows a error message that windows explorer has stopped working.

It is asking to check online for a solution and restart the program. But nothing happens when I perform that.

Problem details:

Problem signature:
  Problem Event Name:APPCRASH
  Application Name:explorer.exe
  Application Version:6.1.7601.17567
  Application Timestamp:4d672ee4
  Fault Module Name:SHELL32.dll
  Fault Module Version:6.1.7601.18222
  Fault Module Timestamp:51f1ddfa
  Exception Code:c0000005
  Exception Offset:00000000000eef90
  OS Version:6.1.7601.2.1.0.768.3
  Locale ID:1033
  Additional Information 1:b329
  Additional Information 2:b329786a014e30409a5782e1284ea6b5
  Additional Information 3:e2a1
  Additional Information 4:e2a143391286af052203c54db9c5f0ab

Please let me the solution to rectify this.

Thank you