All your minidumps are crashing at vsdatant.sys. This is your Zonealarm firewall.
This is a known issue on some systems/configurations.
Download the free Sygate firewall from
HERE
Now disconnect from the internet, and uninstall Zonealarm.
Reboot your computer, and install the Sygate programme, reboot your computer again.
Reconnect to the internet.
If you would like to be able to read the BSOD`s. Right click my computer, and select properties, then the advanced tab.
Under startup and recovery click on settings, and untick the box that says automatically restart.
Click apply/ok, and reboot your computer.
The next time you get a BSOD instead of your computer restarting, you should be able to read the information on the screen.
P.s Sorry cpc2004. Our posts have obviously crossed.
Regards Howard