Continued from my previous post today.
I have an expert looking at your .dmp files. His reply suggest you have a problem with Microsoft Security Essentials.
From your logs.
*** WARNING: Unable to verify timestamp for MpFilter.sys
*** ERROR: Module load completed but symbols could not be loaded for MpFilter.sys
How to manually uninstall Microsoft Security Essentials 1.0.1963 if you cannot uninstall it by using the Add or Remove Programs itemhttp://support.microsoft.com/kb/2435760
If the Fix it button on the page does not solve the issues remove it using the Let me fix it myself
instructions on the page.
He suggests also for you to visit the DELL website and locate the downloads page for their particular model laptop ...
* (All I have is "SystemProductName = MM061", which seems likely to be an Inspiron 6400, and getting long in the tooth.)
Your bios is out of date.BiosVersion = A08
BiosReleaseDate = 07/28/2006
You should also run this tool and update any outdated drivers that will be identified.Secunia Personal Software Inspector (PSI)http://secunia.com/vulnerability_scanning/personal/
Secunia PSI is a security scanner which identifies programs that are insecure and need updates.
If interested in security I would download the tool and run it.