Python error - IDLE's subprocess didn't make connection. Either IDLE can't start or personal firewall software is blocking connection

Question

I am new to programming and i decided to learn Python first, so;

I installed Python, latest version 3.4. and I am trying to open Python IDLE(GUI) mode, so when I open I

Answer 1

For me: The drive pointed to by HOMEDRIVE was not writeable. I checked this by running idle the hard way, explicitly using python.exe rather than pythonw.exe:

C:\coding\xyz>"C:\Python27\Lib\idlelib\..\..\python.exe"  
"C:\Python27\Lib\idlelib\idle.pyw"

 Warning: unable to create user config directory
P:\.idlerc
 Check path and permissions.
 Exiting!