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This is a sample of the many popups from Office 2019:
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Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(112.00000000000001, 24%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJM%3C/text%3E%3C/svg%3E)
Teams tag is mainly focused on the general issue of Microsoft Teams troubleshooting. According to your description, your question is related to Office 2019, which is not in our support scope. So I will remove teams tag from your thread. Thanks for your understanding!
The problem occured after I installed teams. So the question is did Teams cause the problem?