Error 25

[Adi_T]

When i boot my system it says:

Grub loading stage 1.5
Grub loading, please wait...
Error 25

What should I do to repair booting since this is a mail server and I don't wanna loose my information

Thanks in advance
Adi

[zvacet]

I hope you will find this (http://users.bigpond.net.au/hermanzone/p15.htm#25) helpful.