How to Solve "Server Application Error"

1) Click on start -> Run type

sc config sysplant start= disabled and press enter

2) Reboot your system

3) Now go to cmd prompt and type this cd Windows\Microsoft.NET\Framework\v2.0.50727

and then type aspnet_regiis -i

4) Now your problem is solved .

5)If aspnet_regiis -i will show the error(please the defined file)

6) In this case go to run->regedit and find

hkey_Local_machine\system\currentcontrolset\services\sysplant

and set start dword hexadecimal value to 4.

7)and then again go to cmd prompt type cd Windows\Microsoft.NET\Framework\v2.0.50727

and then type aspnet_regiis -i

8) Problem solved.