Problem: User encounter the below error message when opening SharePoint Online library or folders or similar issues where IE browser can't load SharePoint Online.
Resolution: Please help to perform the following steps below.
1. Clear IE Browser cache.
A. Click the gear icon in the IE browser, select Internet Options.
B. Delete browsing history and click OK.
C. Restart browser.
2. Add SharePoint Online site to trusted sites
A. Go to IE browser again > Internet Options
B. Under Security tab, select Trusted Sites > Sites
C. Add https://smu.sharepoint.com (skip this step if the URL is already added)
D. Restart the browser
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