Amnesia won't work :( HELP PLEASE

[OpiumSlave]

Attach here the file HPL.log found under Documents\Amnesia\Main folder. Also, aswer these please:

1) Is it a desktop or a laptop? If not custom made desktop, what model?
2) What operating system do you have?
3) What graphics card do you have?
4) Have checked the support topic first?

I went under control panel and clicked the system icon and this is the information I got ( I don't really know alot about computer stuff like this )

Dell Computer Corporation
Dell OPIPLEX GX260
Intel®
Pentium® 4 CPU 2.26GHz
2.27 GHz, 512 MB of RAM

And it's a desktop.