PSoC Designer disappeared chip editor and pinout window

Answer:

Question:

Why my chip and pinout windows disappeared in PSoC Designer 5.1 ?

Answer:

This may be cause by third party software, usually occures on a Win7 machine, to fix this, you should delete 1 extra (parasite) zone from:

 HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\ with pseudo-graphic number, you'll see it before zone number 0.