ADB is not starting (no error message)

Question

I am trying to run adb. When I run : \"adb start-server\" it hangs during a while, and then no message.

After that the command \"adb get-state\" receive the answer \

Answer 1

Try setting the environment variable ADB_TRACE before starting the ADB server to see if it can provide any clues:

 C:\Android\android-sdk\platform-tools>set ADB_TRACE=1
 C:\Android\android-sdk\platform-tools>adb start-server

Please include the output in your question.