Not a Sitecore issue this week – but an issue I've been suffering from whilst working on Sitecore projects none the less. Like many IT companies working in the Microsoft space, we have a SharePoint site where our project documents live. Quite regularly, when I try to open one of those documents I get a login popup. Despite the fact that SharePoint is in my "Local Intranet" sites in Internet Explorer.
Recently this managed to annoy me enough that I took the time to investigate and fix the issue. Here's what I found: