The downloaded file is called latestwu.diagcab. Go to the Windows Update Troubleshooter page and download the Troubleshooter for your version of Windows. In my experience, they don’t work all that frequently, but they’re easy to use and if you’re lucky can save you a lot of headache. If you can’t figure out what’s wrong with your machine – that is, why an update doesn’t take – you should start with Microsoft’s downloadable troubleshooters. You’d be surprised how often an install will go through the second time, once your machine sheds its odd peripherals. Disconnect unnecessary USB-connected items: drives, modems, dongles, toasters, and so on.Disable antivirus and firewall – even Microsoft’s antivirus and firewall.If your upgrade failed on the first try, take these three simple steps before you try again: I’ve listed the fixes in the order they should be pursued. Here’s our attempt to guide you through the upgrading process – what you need to accomplish and what to avoid. īoth groups often face similar obstacles and challenges, identical error codes, and a common “what the heck are we doing here?” sense of bewilderment.

This guide targets two separate but intertwined groups: Those who have recently upgraded from Win7 (or, less likely, Win8.1) and those who have upgraded from an earlier version of Win10 (likely the November Update, Version 1511) to a recent version (as of this writing, probably the Anniversary Update, Version 1607). Sometimes, not so much, which is why we’re flagging the most common problems and how to deal with them. Windows 10 has been out for 18 months and many of you – some grudgingly, perhaps – have decided to upgrade.

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