Excel Clipboard Errors when Sysmon is running as a service

Question

Has anyone else seen an issue in Excel when you are trying to move data between cells (Repro Steps below)? All basic troubleshooting steps (disabled Addins, etc.) have been completed.

Office 365 x64 (Semi-Annual Channel)

Highlight cell data
Click outline of highlighted data
Message appears that there is an issue with the clipboard and you can not copy data.

Answer 1

Hi @John Chaffinch

Thanks for your reply.

> I'm wondering if the issue is the config file we are using for Sysmon is causing?

Currently, it is difficult to say that this configuration file for Sysmon caused the problem. But please make sure there is no program that to monitors the clipboard.
If conditions permit, I would suggest you use commands to change the configuration to default settings, or uninstall Sysmon.

Besides, I also suggest you go to Windows Settings > System > Clipboard, then turn off Clipboard history and clear Clipboard Data.

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