How to remove the double registered item in task bar notifications

Question

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I found that I have my Cygwin xwin is double registered in task bar notifictions. How can I delete one of them?

Is it running as a process in the background? If so, just kill the process with the task manager.
@prosseek I tried those instructions, too, and they didn't work for me, either. However, I found that they do work if you delete the registry values while explorer.exe is not running. I'll post an answer ...

William Jackson · Accepted Answer · 2011-07-01 18:39:14Z

Right-click on the taskbar and select Start Task Manager.
In the Processes tab of Windows Task Manager, select explorer.exe and click the End Process button.
From the File menu of Windows Task Manager, select New Task (Run...) and run regedit.
In Registry Editor, browse to HKEY_CURRENT_USER\Software\Class\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify and delete the entries for IconStreams and PastIconsStream
From the File menu of Windows Task Manager, select New Task (Run...) and run explorer.

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