Julie188 writes "Here's another little gotcha with Microsoft license validation, discovered by security and PowerShell expert Tyson Kopczynski. The Microsoft Office 2007 add-on site refuses to download legitimate add-ons for Office 2007 when a legitimate — but not yet activated — additional Microsoft product is installed on the computer. In Kopczynski's case, the product was Visio. He writes: 'Let's back this license train up and look at why this picture is wrong: 1. I have a valid copy of Office 2007. 2. The Visio installation only failed the validation because I haven't activated it. 3. Microsoft has presented me with a page to buy Office, which I have a valid copy of... Dear Microsoft, When used incorrectly and in direct conflict of something that you are promoting, DRM sucks! By making the usage of your software a hassle, you risk further pushing more users of your applications to other solutions."