wlansec.dll Blue Screen of Death (BSOD):Normally wlansec.dll missing or having false antivirus like Program:Win32/Advdown.A installed, mistaken operation and wlansec.dll modified by virus may lead BSOD.

Please remove spaces between words.
wlansec.dllBlueScreenofDeath(BSOD):Normallywlansec.dllmissingorhavingfalseantiviruslikeProgram:Win32/Advdown.Ainstalled,mistakenoperationandwlansec.dllmodifiedbyvirusmayleadBSOD.