Event viewer shows e2e application crash for mozalloc.dll
This is a firefox-specific issue solved by updating ShockWave Flash or disabling hardware acceleration.
Problem Event Name: APPCRASH
Application Name: plugin-container.exe
Application Version: 18.104.22.16869
Application Timestamp: 53914233
Fault Module Name: mozalloc.dll
Disable Hardware acceleration and update Shockwave (even if you didnt have Shockwave installed before.)