HTC One M8 dialer & phonebook not working, how can I fix this?

[AC Question]

HTC one m8 dialer & phonebook not working

Hello guys I have a problem after restating my mobile that it's can't open dialer and also cannot open phone book.
When I click to open it shows an error like that
"people has stopped
unexpectedly. Whould you like to send an error report to HTC"
I need help to remove this error...

 

[AlphaTango414]

Re: HTC one m8 dialer & phonebook not working

Turn device off, boot into recovery, wipe system cache, reboot device, and check to see if that helped.

*wiping system cache does not and will not wipe any user data. Doing a factory reset will .