IIS not working DCOM error

Hi All,

I will apprecairte if some oone plz help to come out this problem.
Whenever i Run

http://localhost

This error is popped

Server Application Error

The server has encountered an error while loading an application during the processing of your request. Please refer to the event log for more detail information. Please contact the server administrator for assistance.

after i chekd the event viewer ,it shows the folloewing error and pls somebody help me.

DCOM got error "Logon failure: unknown user name or bad password. " and was unable to logon .\IWAM_ASHISH in order to run the server:
{3D14228D-FBE1-11D0-995D-00C04FD919C1}

Plz help

Your IIS user accounts are no longer in sync with their window user accounts. I don't remember the name of the program, but if you search this forum or on google you'll find there is a command-line program from MS that resets the user accounts and probably will fix your problem.