What is this file

[brodieman]

I did a defrag and the only file not able to defrag is

ntuser.dat.LOG

I know I know it explains itself but what is it for?

 

[Osiris]

its part of your user profile

 

[dennix]

perhaps

 

[brodieman]

but what is it for why cant I defrag it

 

[brady]

Open it with notepad... what does it say in there?