Powerpoint files won't close

Issue abstract: Powerpoint files won’t close

Detailed description: I think Norton is interfering with Powerpoint. When Norton is active, Powerpoint files won’t close. This started a few weeks ago. Everything was fine for 3 years up to then. When I disable Norton, Powerpoint is fine. I have added Powerpoint as a trusted app (It was already there - I also disabled and re-added - it made no difference)

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Community search PowerPoint
https://community.norton.com/search?q=powerpoint%20order%3Alatest_topic

https://community.norton.com/t/norton-interfering-with-powerpoint/368086