Support Task Manager keeps popping up. (Annoying as !@#$)

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http://androidforums.com – I've looked everywhere and either this is a very rare problem or I'm not doing the search right. The Task Manager on my Galaxy W just won't stop popping up! It's like the home button is stuck (it isn't, I checked). It pops up, I press the back button and then it goes away for a few seconds...but then it comes right back! When I quickly press the lock button after sending it away with the back button, it takes a screen shot instead of locking the phone. I tried restarting my phone several times. I even took out the battery and SIM card and let it rest. No change. Any ideas? (General)