Never had any problem, till I updated ccleaner and run it and additional did item tips
After that gmail, browser, several other app crash. Even Playstore
For Gmail I removed updates but it works for short time and crashes again.
Als "feedback ... market (?) Crasht (dont know what it is)
And briefing crasht (that one I turned off)
I removed ccleaner
How to fix my cellphone (Samsung Galaxy a5 2017)
See examples attached