Hi Damian, Luckily you used the Mozilla Crash Reporter come up, so there should be a crash report we can look at. Could you please do the following:

1. Go to Help > Troubleshooting Information. That should open a new tab with info about your Firefox setup.
2. Under "Crash Reports for the Last 3 Days" click on your latest crash report. That should take you to a web page starting with "https://crash-stats.mozilla.com/report/index/" and post the address of your latest crash report.

We can then look at the data specific to your crash and have a better idea of what is causing the problem.

Hi Chris,

I'm hoping I did this correctly.

Please let me know what you discover and if you need additional info.

Thanks much!

Damian

https://crash-stats.mozilla.org/report/index/b41dfad2-f613-40e7-acba-51a150220622

Use one of these to close Firefox if you are currently doing that by clicking the close X on the Firefox Title bar, especially if you have multiple windows open to prevent losing tabs in unnoticed windows.

• "3-bar" menu button -> Exit (Power button)
• Windows: File -> Exit
• Mac: Firefox -> Quit Firefox
• Linux: File -> Quit

Thanks for writing, I want to make sure I understand your suggestion.

You think I should go to the top left of my Firefox browser, click on 'Firefox' on the drop down and click 'Quit'?

Also, what do you mean by '3-bar menu button'?

Thanks much,

Damian

I would try running Firefox in Safe Mode, close it the same way you've been doing and see if it crashes. https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#w_how-to-start-firefox-in-4troubleshoot-modesf5safe-modesf

Hi,

Well, I just did a 'troubleshoot mode' restart and it still crashed when attempting to close.

I pasted the very LONG error below, but it did not all fit.

Thx,

Damian

AdapterDeviceID: 0x1622 AdapterVendorID: 0x8086 Add-ons: %7B35d6291e-1d4b-f9b4-c52f-77e6410d1326%7D:5.14.1,support%40lastpass.com:4.97.0.2,doh-rollout%40mozilla.org:2.0.0,formautofill%40mozilla.org:1.0.1,screenshots%40mozilla.org:39.0.1,webcompat%40mozilla.org:101.7.0,pictureinpicture%40mozilla.org:1.0.0,firefox-compact-light%40mozilla.org:1.2,google%40search.mozilla.org:1.2,amazondotcom%40search.mozilla.org:1.3,wikipedia%40search.mozilla.org:1.1,bing%40search.mozilla.org:1.3,ddg%40search.mozilla.org:1.1,ebay%40search.mozilla.org:1.3,addons-search-detection%40mozilla.com:2.0.0 AvailablePhysicalMemory: 4184539136 AvailableSwapMemory: 0 BackgroundTaskMode: 0 BuildID: 20220608170832 ContentSandboxCapable: 1 ContentSandboxLevel: 3 CrashTime: 1655951663 DOMFissionEnabled: 1 DOMIPCEnabled: 1 ExperimentalFeatures: layout.css.constructable-stylesheets.enabled,devtools.inspector.compatibility.enabled HeadlessMode: 0 InstallTime: 1654965620 LastInteractionDuration: 41 MacAvailableMemorySysctl: 88 MacMemoryPressure: Normal MacMemoryPressureCriticalTime: Unset MacMemoryPressureNormalTime: 1655912933 MacMemoryPressureSysctl: 1 MacMemoryPressureWarningTime: Unset MozCrashReason: MOZ_CRASH(Quota manager shutdown timed out) Notes: FP(D00-L1000-W00000000-T000) WR? WR+ GL Context? GL Context+ WebGL? WebGL+ ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384} ProductName: Firefox PurgeablePhysicalMemory: 255426560 QuotaManagerShutdownTimeout: ls: Datastores: 2 (DirectoryLock:1|Connection:1|QuotaObject:1|PrepareDatastoreOps:0|PreparedDatastores:0|Databases:0|ActiveDatabases:0|Origin:https://aaaa.aaaaa.aaa|PrivateBrowsingId:0|Closed:1, DirectoryLock:1|Connection:1|QuotaObject:1|PrepareDatastoreOps:0|PreparedDatastores:0|Databases:0|ActiveDatabases:0|Origin:https://aaaaaaaa.aaaaaa.aaa|PrivateBrowsingId:0|Closed:1)

Intermediate steps: 0.005691s: starting

QM: 3 normal origin ops pending Intermediate steps: 0.000003s: startCrashBrowserTimer 0.004346s: initiateShutdownWorkThreads 0.005726s: startKillActorsTimer 5.006764s: killActorsTimerCallback

RDDProcessStatus: Running ReleaseChannel: release SafeMode: 0 SecondsSinceLastCrash: 70992 ShutdownProgress: profile-before-change-qm StartupCrash: 0 StartupTime: 1655912932 SubmittedFrom: Client TelemetryEnvironment: {"build":{"applicationId":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","applicationName":"Firefox","architecture":"x86-64","buildId":"20220608170832","version":"101.0.1","vendor":"Mozilla","displayVersion":"101.0.1","platformVersion":"101.0.1","xpcomAbi":"x86_64-gcc3","updaterAvailable":true},"partner":{"distributionId":null,"distributionVersion":null,"partnerId":null,"distributor":null,"distributorChannel":null,"partnerNames":[]},"system":{"memoryMB":16384,"virtualMaxMB":null,"cpu":{"count":8,"cores":4,"vendor":"GenuineIntel","family":6,"model":71,"stepping":1,"l2cacheKB":256,"l3cacheKB":6144,"speedMHz":3300,"extensions":["hasMMX","hasSSE","hasSSE2","hasSSE3","hasSSSE3","hasSSE4_1","hasSSE4_2","hasAVX","hasAVX2","hasAES"]},"os":{"name":"Darwin","version":"21.5.0","locale":"en-US"},"hdd":{"profile":{"model":null,"revision":null,"type":null},"binary":{"model":null,"revision":null,"type":null},"system":{"model":null,"revision":null,"type":null}},"gfx":{"D2DEnabled":null,"DWriteEnabled":null,"ContentBackend":"Skia","Headless":false,"EmbeddedInFirefoxReality":null,"adapters":[{"description":null,"vendorID":"0x8086","deviceID":"0x1622","subsysID":null,"RAM":0,"driver":null,"driverVendor":null,"driverVersion":null,"driverDate":null,"GPUActive":true}],"monitors":[{"screenWidth":2048,"screenHeight":1152,"scale":2}],"features":{"compositor":"webrender","hwCompositing":{"status":"available"},"gpuProcess":{"status":"unused"},"wrQualified":{"status":"available"},"webrender":{"status":"available"},"wrCompositor":{"status":"available"},"wrSoftware":{"status":"available"},"openglCompositing":{"status":"available"},"omtp":{"status":"unused"}}},"appleModelId":"iMac16,2","hasWinPackageId":null},"settings":{"blocklistEnabled":true,"e10sEnabled":true,"e10sMultiProcesses":8,"fissionEnabled":true,"telemetryEnabled":false,"locale":"en-US","intl":{"requestedLocales":["en-US"],"availableLocales":["en-US"],"appLocales":["en-US"],"systemLocales":["en-US"],"regionalPrefsLocales":["en-US"],"acceptLanguages":["en-US","en"]},"update":{"channel":"release","enabled":true,"autoDownload":true,"background":true},"userPrefs":{"browser.search.region":"US","browser.search.widget.inNavBar":true,"browser.startup.homepage":"<user-set>","browser.urlbar.quicksuggest.dataCollection.enabled":false,"browser.urlbar.suggest.quicksuggest.nonsponsored":true,"browser.urlbar.suggest.quicksuggest.sponsored":true,"browser.urlbar.suggest.bestmatch":true,"doh-rollout.doorhanger-decision":"UIOk","extensions.formautofill.addresses.enabled":false,"extensions.formautofill.creditCards.enabled":false,"media.gmp-gmpopenh264.lastUpdate":1655480612,"media.gmp-manager.lastCheck":1655827858,"network.trr.strict_native_fallback":false,"signon.rememberSignons":false,"widget.content.allow-gtk-dark-theme":false,"widget.content.gtk-high-contrast.enabled":true},"sandbox":{"effectiveContentProcessLevel":3,"contentWin32kLockdownState":3},"addonCompatibilityCheckEnabled":true,"isDefaultBrowser":true,"defaultSearchEngine":"google-b-1-d","defaultSearchEngineData":{"loadPath":"[other]addEngineWithDetails:google@search.mozilla.org","name":"Google","origin":"default","submissionURL":"https://www.google.com/search?client=firefox-b-1-d&q="}},"profile":{"creationDate":16774,"resetDate":18581},"addons":{"activeAddons":{"{35d6291e-1d4b-f9b4-c52f-77e6410d1326}":{"version":"5.14.1","scope":1,"type":"extension","updateDay":19151,"isSystem":false,"isWebExtension":true,"multiprocessCompatible":true,"blocklisted":false,"description":"The best coupons and the most Cash Back. 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