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Microsoft Outlook crashes with 0xc0000005 errors due to Office 365 Patch, how to resolve | Euclid Networks
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Microsoft Outlook crashes with 0xc0000005 errors due to Office 365 Patch, how to resolve
July 15, 2020by Euclid Networks in Atlanta, E-Mail, How-To, Microsoft Office, Office 365, Outlook 2013/2016/2019, Windows 10
We’ve seen on over a dozen machines today, Microsoft Outlook (Office 365 continual update version) crashes, with 0xc0000005 errors logged in the event log.
The full text of this error is below.
Faulting application name: OUTLOOK.EXE, version: 16.0.13001.20266, time stamp: 0x5ef262ee Faulting module name: mso98win32client.dll, version: 0.0.0.0, time stamp: 0x5ef2aa2d Exception code: 0xc0000005 Fault offset: 0x000474b2 Faulting process id: 0x4cf0 Faulting application start time: 0x01d65ac9b0e13874 Faulting application path: C:\Program Files (x86)\Microsoft Office\root\Office16\OUTLOOK.EXE Faulting module path: C:\Program Files (x86)\Common Files\Microsoft Shared\Office16\mso98win32client.dll Report Id: 908e152f-636f-4f5a-9717-48a5576b3ccd Faulting package full name: Faulting package-relative application ID:
Microsoft had acknowledged this crash and documented a resulting fix on Twitter, and on the Office 365 Support portal :
Title: Users experiencing Outlook connection issues and crashes User Impact: Users may experience crashes or may be unable to access Exchange Online via Outlook. More info: Our analysis indicates that Outlook on the web and mobile clients are unaffected. Users may be able to leverage those protocols as an alternative means to access email and service features while we remediate this problem. Current status: Our initial review of the available data indicates that recently deployed updates are the likely source of the problem. We're performing an analysis of all recent service updates to isolate the underlying cause of the problem and to determine the most expedient means to restore service. Scope of impact: This issue may potentially affect any of your users attempting to use Outlook.
The immediate fix for this is to roll back Microsoft Office versions, which can be done by opening a command line as Administrator and typing : cd "\Program Files\Common Files\microsoft shared\ClickToRun"
officec2rclient.exe /update user updatetoversion=16.0.12527.20880
After rolling back versions, Outlook should open and function as normal!
If you’re in need of a proactive, IT Support company in the Atlanta area, don’t hesitate to contact us today!
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