Product Firefox Release Channel release Version 54.0.1 Build ID 20170628075643 OS Windows 10 OS Version 10.0.14393

bp-106698c8-7232-4981-8143-d69d81170908 Signature: OOM | large | js::AutoEnterOOMUnsafeRegion::crash | js::AutoEnterOOMUnsafeRegion::crash | js::TenuringTracer::moveToTenured

Appleffdav.dll = iCloud Control Panel = Apple Computer for the Windows

ipseng32.dll = Symantec Intrusion Detection = Symantec Corporation

FileSyncShell.dll = Microsoft OneDrive = Microsoft Corporation

This is for Sumo's Related Bugs 1365207 RESOLVED DUPLICATE Crash in OOM | large | js::AutoEnterOOMUnsafeRegion::crash | js::AutoEnterOOMUnsafeRegion::crash | js::TenuringTracer::moveToTenured

1337105 NEW --- Crash in OOM | large | js::AutoEnterOOMUnsafeRegion::crash | js::AutoEnterOOMUnsafeRegion::crash | js::TenuringTracer::moveToTenured [related to Microsoft's Enhanced Mitigation Experience Toolkit (EMET)]

1257387 NEW --- crash in OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash | js::TenuringTracer::moveToTenured

Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster

https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix

https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding

This is an OOM (out-of-memory) crash report where not enough free memory is available.

Total Virtual Memory : 4,294,836,224 bytes (4 GB)
Available Virtual Memory : 135,307,264 bytes (129.04 MB)
Available Page File : 2,570,158,080 bytes (2.39 GB)
Available Physical Memory : 465,002,496 bytes (443.46 MB)
System Memory Use Percentage : 88
OOM Allocation Size : 1,048,576 bytes (1 MB)

You can check Firefox's memory usage on the about:memory page.

• https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram

You can open "about:" pages via the location/address bar

• "about:" is a protocol to access special pages