I have been running Windows Live Mail 2012 without problems for the last 5 years. But today it has started crashing every few minutes. 

I have used Event Viewer to identify the fault, which appears thus. Can anyone explain this to me?

Log Name:      Application
Source:        Application Error
Date:          18/12/2017 15:53:33
Event ID:      1000
Task Category: (100)
Level:         Error
Keywords:      Classic

Description:
Faulting application name: wlmail.exe, version: 16.4.3528.331, time stamp: 0x533a3fce
Faulting module name: KERNEL32.DLL, version: 6.2.15063.296, time stamp: 0xab7aae51
Exception code: 0xc0000005
Fault offset: 0x0001742b