Android applications will not run

Today wrote a Helloworld, reported the following error, really do not know how to solve, but also with a lot of solutions available online, is still not, I hope my colleagues help him. .


[2013-11-03 16:44:43 - Cheer] ------------------------------
[2013-11-03 16:44:43 - Cheer]! Android Launch
[2013-11-03 16:44:43 - Cheer] The connection to adb is down, and a severe error has occured
.[2013-11-03 16:44:43 - Cheer] You must restart adb and Eclipse
.[2013-11-03 16:44:43 - Cheer] Please ensure that adb is correctly located at 'F: \ Java \ android-sdk-windows \ platform-tools \ adb.exe' and can be executed
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Reply:
Phone connected to the computer it is not successful, the next class of 91 assistant first installed the driver, then open it in debug mode handsets.
Reply:
Notice how this is wrong debugging emulator appear, not in the real machine.
Reply:
1 Make sure adb in F: \ Java \ android-sdk-windows \ platform-tools \ adb.exe this path.
2. Restart eclipse
Reply:
Path is not wrong.
Reply:
Try to reconfigure the location of the next sdk
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Method 1. cmd using the cd command to jump sdk tools file path, do adb kill-server, then adb-startserver
Method 2. Method 1 does not work, then kill adb.exe in the Task Manager, and then restart Eclipse.
. Method 3 Methods 1 and 2 do not work, then check the error in the last sentence: platform-tools if there adb.exe (my mistake in the relevant Here there is no path to platform-tools folder
So I chose to create a new folder, and the tools to copy all the files in the platform-tools)
4 tried the previous method does not work, I suggest re-install a system, it is best to change the system. Some cattle also said: MS, there are some minor problems
Reply:
Tips from the wrong point of view, it should be a problem with your emulator starts, you try to manually start the emulator to see success.
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Landlord, I have encountered this problem, suffered the same fate ah. If you know how to solve from the other channels, the way can you tell me? Thank you.