The most common reason for Blancco 5 (evaluation version) not starting up is that the hardware requirements are not me (usually not enough memory). Make sure that your system meets the minimum requirements:
- x86 architecture machine
- 768 MB RAM memory (preferably 1 GB RAM)
- SVGA display and VESA compatible video card for graphical user interface
- USB port
If you have problems with the USB booting part, read this article.