ADB error cannot connect to daemon

Question

I need help to get ADB working on my PC  win7 64bit  with the Samsung Galaxy S2   I have installed the drivers coming along Kies  I think under sub folder  25 escape   The drivers appear correctly as  Samsung ADB interface  under the device manager   When I run  adb devices  I get the following logs   gt adb devices   daemon not running  starting it now on port 5037     daemon started successfully      daemon still not runningerror  cannot connect to daemon   I m wondering if it is a driver issue  or something else  I have several other android phones that are working just fine  HTC  Motorola  Samsung Galaxy S1 even works  but that issue is happening on the Galaxy S2  and Tab 10 1 as well   I disabled windows firewall  and it is still stuck  I made sure Eclipse is not running and I tried to kill ADB from the task manager  but none of that helped   Your help is really appreciated  Thanks

User · Answer

I was using Genymotion 2 9 0  I updated to 3 0 0  Now it is working  So please check Genymotion version

User · Answer

Make sure that Kies is installed  but not running   On your phone make sure you have USB Debugging mode enabled   If still not successful  disable any Antivirus software

User · Answer

If the above methods did not work   such as restarting  killing  rebooting  reconfigure  updating  permissions    etc  the bug might be in the last opened files tab  I had a file I was accessing from data data     and whenever I opened A S  the panel always showed the error  Just close the tabs and restart AS

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If nothing works Restart your PC   Restarting my computer does the trick

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I ve finally solved a very similar issue   In my case  the problem was that I had two different SDKs  one from Eclipse and the other from Android Studio   so I was trying to execute the ADB commands in the wrong one   So it is important that you check the path you are using in your IDE and execute the commands on the same

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This answer may help some   The adb exe has problems with virtual devices when you are using your phone for tethering   If you turn off tethering it will correct the problem

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Check your firewall and antivirus for permissions for Android Debugger Bridge  adb exe

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So I was getting this problem and found that a process called dcb was running an older version of adb   So I renamed the folder  usr local var dcb to  usr local var OLDdcb and it was recreated automatically and I was able to successfully run my tests in the emulator

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Go to windows task manager and end process tree of adb  It will make attempts to start adb   Sometimes on Windows adb kill-server and adb start-server fail to start adb

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I face this problem on daily basis  so to resolve this I kill adb exe by executing following command     taskkill  f  im adb exe   Note   You should have administrative rights to execute the above command

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Delete you AVD and create another  Maybe isn t the perfect thing to do  but it s the fastest

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Same issue for me  Was stumped  After I removed  Dell PC Suite  the problem went away

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I had a couple of things open that prevented ADB from properly running  Specifically  I had BlueStacks Tweaker  to kill BlueStacks which runs in the background  and another program  Both use their own bundled adb exe version for issuing commands  I was then also using my system s adb exe  I had to close the other two programs in order to solve the problem  Restarting my computer would ve also solved the problem  by closing those programs for me lol

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I can solve my problem  i m install a new firewall and it s reason of my problem  when i uninstall it my problem is solved  because of a lot of viewed of this question  i suggest you to check your firewall and antivirus that give permission for your Android Debugger Bridge

User · Answer

I had this problem on my ubuntu  I just ran adb from sdk platform-tools instead of pre-installed version on my system and it worked fine

[android] ADB error: cannot connect to daemon

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