User profile service service failed the logon

Hi :)

Everytime i encountered problems on my laptopi always run to computer tecqnicians which cost thousands of peso just to pay their service. But this time i wanna try it my self to fix this.

I just encountered his prob his morning , "THE USER PROFILE SERVICE SERVICE FAILED TO LOGON" i was goingto print a reminder note for my student but when i open my laptop it wont let me log on it. I tried to enter my password. But it wnt wirk. Thres no other uservprofile on my laptop.

I have read the post about this and i wanted to do it but im afraid i might lose my files on the Local D:
And my files are really important. Pls help wat to do i do not want to lose my files

Pls help. Thanks

Thanks for he reply but i tried to do it but the REGEDIT wont appear wen i search it...

I will try that thank you so much...

I will try that thank you so much...

Oh my god thanks so much... i did it... thanks for the help... thanks so much god bless.. mwuahhhh:)

Yes i will... its the first time in my life to fix my own laptop thanks so much....