Hi @fblasi ,
Did you install any updates recently?
Did all kinds of Chart cannot be inserted in Excel?
Did the layout of Chart is visible in Excel?
I suggest you try to open Excel in safe mode running the following command: Press Win + R, type "excel /safe" in the blank box, press Enter. If it works fine in safe mode, please check the add-ins in your excel and disable them.
Click File > Excel Options > Add-Ins on the left side of the dialog. Then click the drop-down arrow at the bottom of the dialog box and select "COM Add-Ins" from the list, then click the GO button. What comes up is a list of COM-Add Ins that are loaded and running.
Try this method and let me know if the information was helpful. Please let us know if you would like further assistance, I'm glad to help you.
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