I run a little PC lab of 10 Dell Lattitude E6500s running Windows 7 x 64 Enterprise. They interface with a ZyXEL ZyWALL 2WG for web/arrange get to. I have a common issue on all the machines (they are for all intents and purposes indistinguishable as far as OS, programming and setup). Arbitrarily anybody of the PCs will drop off the system. I investigated the occasion log and I see the equivalent repeating arrangement of mistakes/alerts on all the machines. First I get a "WLAN Extensibility Module has halted. Module Path: C:\Windows\System32\bcmihvsrv64.Dll" 10002 admonition from WLAN-AutoConfig. At that point I get a "WLAN AutoConfig administration has effectively halted." 4001 admonition from WLAN-AutoConfig. At that point at long last I get a " The driver \Driver\WUDFRd neglected to stack for the gadget USB\VID_0A5C&PID_5800&MI_01\6&66de6c9&0&0001." 219 admonition from Kernel-PnP. bcmihvsrv64.Dll ( Broadcom Independent Ha