auto-lock in nexus 7 tablet

[AC Question]

there occured an anti-lock mechanism(asking for password where i have`t set that).can u prove the anti-virus software for this problem.

 

[B. Diddy]

Welcome to Android Central! Can you explain in more detail? It's asking for a password to unlock the device, and it's not the lockscreen? Why do you suspect it's malware? Can you show us a picture of the screen?