AVD does not create config.ini file

I have Windows 8.1 64bit, android studio updated to 1.0 RC version. everything works correctly before i upgrade to rc version.

• I am opening Android Studio
• I am running AVD Manager
• I am creating a virtual device (Nexus_6_API_21)
• it creates it, but the AVD Manager doesn't give me the option to run it, but it gives "not loaded" in the action column.

• I used the command line to run it: emulator.exe -avd Nexus_6_API_21
  
  and it says:

  PANIC: Could not open AVD config file: F:\Programming\sdk\.android\avd\Nexus_6_API_21.avd\config.ini
  
  

• I go through this folder to find only userdata.img file and no config.ini

• I copied the Nexus_6_API_21.ini file that is available in the main avd folder and rename it to config.ini and then the avd manager in android studio will remove the "failed to load" error and give it to me.

• I run the emulator and it gives the following error:

  ERROR: no search paths found in this AVD configuration. Weird, the AVD config.ini file is malformed. Try re-creating it.
  
  

what I could figure out was that during the creation of this emulator, it was unable to create the config.ini file. Do you have any suggestions?