bp-a001631c-4e23-4649-8b59-1c7ac1180103 Signature: PR_GetCurrentThread

DBROverlayIconNotBackuped.dll = Dell Backup and Recovery Solution = Softthinks SAS

DBROverlayIconBackuped.dll = Dell Backup and Recovery Solution = Softthinks SAS

msmpeg2vdec.dll = Microsoft DTV-DVD Video Decoder

GrooveIntlResource.dll = Microsoft Office +++++++++++++++++++++++++++++++++++++++++++++++ bp-0d31bf79-0f13-4e60-beb3-7099a0180103 bp-bp-f5960af1-709c-4988-81ac-2e28d1180102

Signature: shutdownhang | mozilla::SpinEventLoopUntil<T> | mozilla::net::nsHttpConnectionMgr::Shutdown

DBROverlayIconNotBackuped.dll = Dell Backup and Recovery Solution = Softthinks SAS

DBROverlayIconBackuped.dll = Dell Backup and Recovery Solution = Softthinks SAS

msmpeg2vdec.dll = Microsoft DTV-DVD Video Decoder

GrooveIntlResource.dll = Microsoft Office

This is for Sumo's Related Bugs 1420736 RESOLVED WONTFIX Crash in shutdownhang | mozilla::SpinEventLoopUntil<T> | mozilla::net::nsHttpConnectionMgr::Shutdown

Totally remove Dell Backup and Recovery Solution from your system. Is the problem still there?

Perform a System File Check to fix corrupted system files

Win 7, 8, 10, Vista: https://support.microsoft.com/en-us/kb/929833 Win XP: https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/system_file_checker.mspx?mfr=true

Wiki - Windows 10 System File Check http://answers.microsoft.com/en-us/windows/wiki/windows_10-update/system-file-check-sfc-scan-and-repair-system-files/bc609315-da1f-4775-812c-695b60477a93

Unfortunately not, still crashing. thank you for your help.

Latest crashes: Report ID Date Crashed fa5ba437-b5d8-44b2-b896-c2eae888bec7 1/5/2018 10:39 AM bp-ba7d4ca7-4f23-449f-80d3-918a91180105 1/4/2018 4:12 PM bp-f4a9cf0c-5091-4952-9c65-929f21180105 1/4/2018 4:07 PM

Those are old reports from several days ago. Please post new crash reports from today.

https://support.mozilla.org/en-US/kb/update-firefox-latest-version?cache=no Did you update Firefox to the latest version 57.0.4

Using version 57.0.4

New crash report: bp-d17aeaa7-b768-423f-94f8-5e41f1180111 1/11/2018 12:34 PM

The crashes look network related.

Do a malware check with several malware scanning programs on the Windows computer.

• https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware

Please scan with all programs because each program detects different malware. All these programs have free versions.

Make sure you update each program to get the latest version of their databases before doing a scan.

• Malwarebytes' Anti-Malware:
  http://www.malwarebytes.org/mbam.php
• AdwCleaner:
  http://www.bleepingcomputer.com/download/adwcleaner/
  http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
• SuperAntispyware:
  http://www.superantispyware.com/
• Microsoft Safety Scanner:
  https://www.microsoft.com/security/scanner/en-us/default.aspx
• Windows Defender:
  https://windows.microsoft.com/en-us/windows/using-defender
• Spybot Search & Destroy:
  http://www.safer-networking.org/en/index.html
• Kasperky Free Security Scan:
  https://www.kaspersky.com/security-scan

You can also do a check for a rootkit infection with TDSSKiller.

• Anti-rootkit utility TDSSKiller:
  https://support.kaspersky.com/viruses/disinfection/5350

https://support.kaspersky.com/viruses/utility

See also:

• "Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked