2.8.4 on Win7 x64 still crashes on network failures.

Being on Wi-Fi it survived switching to another network just by switching to backup pool and then reconnecting to the main one (Slush).
But on switching network back it crashed.

Problem signature:
  Problem Event Name:   APPCRASH
  Application Name:   cgminer.exe
  Application Version:   0.0.0.0
  Application Timestamp:   507f309d
  Fault Module Name:   StackHash_0a9e
  Fault Module Version:   0.0.0.0
  Fault Module Timestamp:   00000000
  Exception Code:   c0000005
  Exception Offset:   6f43203a
  OS Version:   6.1.7601.2.1.0.256.1
  Locale ID:   1058
  Additional Information 1:   0a9e
  Additional Information 2:   0a9e372d3b4ad19135b953a78882e789
  Additional Information 3:   0a9e
  Additional Information 4:   0a9e372d3b4ad19135b953a78882e789