This issue was flagged up by Reddit user (as spotted by How-To Geek)
https://www.techradar.com/news/windows-10-might-be-recording-and-uploading-your-pcs-activity-history-without-you-knowing
https://www.howtogeek.com/fyi/windows-10-sends-your-activity-history-to-microsoft-even-if-you-tell-it-not-to/
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Reddit user said :
I've given this ago and it seems to have worked.
https://www.tenforums.com/tutorials/100341-enable-disable-collect-activity-history-windows-10-a.html#option2