The Task Manager is fantastic for closing unresponsive applications. It happens often. You have a few applications and one of them is performing erratically, but won't close. You start up Task Manager, find the software and force it to close manually. You'll then be able to start it again without problems. The snag is, what happens if you have a scenario where CPU usage is so high that you can't even start Task Manager. You could force a reboot, but you'll almost certainly lose your opened documents.
AntiFreeze is a last-resort tool that will reside in your system tray and prevent almost instant access if you can't, for whatever reason, open Task Manager. It's a nice idea, but fairly impractical. You can always make Task Manager reside in your system tray, if necessary and you still have to use a key combination to start AntiFreeze.
Test and download AntiFreeze.
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