Samsung Galaxy s3 won't open task manager after system update?

[AC Question]

Earlier today I did a system update on my phone, since then the task manager won't open up. Nothing seems to work. Is there any possible thing I can do to make it work again since I usually use it frequently?

 

[B. Diddy]

Try booting into Recovery and wiping the cache partition: http://forums.androidcentral.com/sa...ing-into-recovery-mode-galaxy-s2-s3-tab2.html