Android 4.2.2 keeps freezing and a few apps stop working. Any Suggestions? Thank you

Try malwarebytes.com
Thank you for downloading Malwarebytes Anti Malware


Download the freware and run and clean.

FIX Slow, Frozen, Android CRASHES! Cache/RAM TIPS ...

? 7:50
https://www.youtube.com/watch?v=bKt3UEBpD44
Aug 31, 2013 - Uploaded by p1nesap
And no, adding yet another app is NOT the answer! ... So if your Samsung Galaxy phone or Nexus tablet is ...

Android Tablet stuck on boot screen ! Bypass it in easy steps ...

? 4:36
https://www.youtube.com/watch?v=HErn0-GcQqE
Jan 4, 2014 - Uploaded by My Tablet Guru
1) Press the volume up or volume down or home button when thetablet start, this is hit and trial method and ...

Device keeps crashing, freezing, or restarting ' T-Mobile ...

get iobit mobile care,and run it,it works great Advanced Mobile Care Android Security for Mobile IObit

This probably caused by an feature called 'Face Unlock'; either uninstall or disable it. Usually this done by Settings --> Apps --> (All -->) Face Unlock --> disable / uninstall.

Or when you actually really like that feature, make sure you've updated your phone and that Face Unlock app to the latest version.

PS: What it actually means is the Android System UI component has crashed (and will automatically restarted afterwards). You might see the statusbar at the top disappear and reappear after a few seconds as well ... (symptom).

My android keyboard has stopped working. I can't find "download manager keyboard. I've looked in Apps and settings. Any suggestions? Do I have to do a soft reset?

Try going to system settings and select 'About Tablet' then checking you are fully charged and in good wifi signal select 'system updates' Update to any new version it finds.
Make sure it is fully charged with the screen brightness down (so it will last for hours, just in case). The last thing you want is a power down during an update...

I don't know if this is available on that model. Give it a try. Press and hold the power button until you get the menu with the option to power it off. Press and hold your finger on the option to power it off for a few seconds. Hopefully you get an option to reboot the tablet into safe mode. This mode will disable all third party apps on the tablet. See if it freezes up. If it doesn't one of the apps is causing it to hang. This will at least tell you if the tablet itself is bad or if it is a problem with an app.