crash monitor has stopped working

[juanita788]

What does this mean and how can it be fixed?

[gwhispererz]

Hi, probably a software glitch, try factory reset, see if this resolves the issue. If not, software repair phone with PC Companion or Update Service.

http://www.sonymobile.com/gb/tools/pc-companion/

http://www.sonymobile.com/gb/tools/update-service/

Software repair will erase phone data completely.