Programs that claim to update your drivers install either the wrong or corrupted drivers.
If you have installed any driver with Tweakbit Driver Updater, please remove them as it may cause trouble.
The 8 most recent crashes are all caused by the Dell wireless network driver.
Please check your manufacturer, Dell, for driver updates.
*** WARNING: Unable to verify timestamp for bcmwl63a.sys
*** ERROR: Module load completed but symbols could not be loaded for bcmwl63a.sys
2: kd> lmvm bcmwl63a
start end module name
fffff800`67710000 fffff800`6843d000 bcmwl63a T (no symbols)
Loaded symbol image file: bcmwl63a.sys
Image path: bcmwl63a.sys
Image name: bcmwl63a.sys
Timestamp: Sat Sep 19 09:42:15 2015 (55FD11D7)
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4