galaxy s6 keeps crashing and asking for backup password

[zunaer]

My galaxy s6 lock screen crashes or something crashes and it locks my screen and asks for backup password asif i have restarted the device. Even when im using it, it will just randomly do it, anyone else having this problem and any solutions?

 

[bksalt]

I did I have a S6 that was randomly locking up and shutting down. I ran my phone in safe mode found it ran fine so it was a app giving me problems so I put only essential programs back 1 per day to see there was no problem. Phone been running fine for 2 weeks now