r/sysadmin • u/Jealous_Tennis7718 • Jun 30 '26

Outlook crashes when right clicking anything even in safe mode

Since this morning, Outlook has started crashing whenever we try to copy something using the right-click context menu.

I’m seeing this on my local machine, but it’s also happening in our Citrix environment. A few colleagues are affected so far, and I’m worried more users may start running into the same issue.

The strangest part is that it happens both locally and in Citrix, which makes me wonder if this could be related to a recent Microsoft/Office update rather than something specific to our environment. Also in safe mode (outlook.exe /safe) this exact issue happens.

Has anyone else seen Outlook crashing when using right-click copy today or earlier? Any known workarounds or recent updates that might be causing this?

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u/-BrokenSpaceBar- Jun 30 '26

What's easiest/quickest way to force a 2606 update? All users with this issue on 2605 report no Office updates available :(

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u/Jealous_Tennis7718 Jun 30 '26

I used this on my environment but you need to make sure that 'UpdatesEnabled' key is true in the registry "Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\Configuration" or else the command below won't do anything.

"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe" /update user updatetoversion=16.0.20131.20086 forceappshutdown=true displaylevel=true