msdtc.exe by Leo A. Notenboom Fortunately msdtc.exe is not a virus - it's a part of a couple of Windows applications. Is msdtc.exe a virus? Nope, not at all. Become a Patron of Ask Leo! and go ad-free! MSDTC.EXE is a part of a couple of Windows applications. It’s the “Distributed Transaction Coordinator”. It manages, as you might guess, transactions which are distributed across multiple servers. Subscribe to Confident Computing! Tech problem solving & safety tips & a weekly confidence boost in your inbox every week. I'll see you there! Slow Computer? Speed up with my special report: 10 Reasons Your Computer is Slow, now updated for Windows 10. NOW: name your own price! You decide how much to pay -- and yes, that means you can get this report completely free if you so choose. Get your copy now! Related Posts How Do I Fix Windows Update? - Windows Update can get confused or stuck. I'll review ways to fix Windows Update, including what I refer to as the "nuclear option". I have multiple winlogon.exe files on my machine, and one's taking up a lot of memory – what do I do? - It's quite possible to have more than one winlogon.exe, but knowing which are good and which are suspect isn't always clear. Webinar #13 – What's on Leo's Computer? - Webinar #13 - What's on Leo's Computer? - was Sunday, June 10th, 2012. What’s the Difference Between a DLL and an EXE, and Why Is It Important? - DLLs and EXE files are very much related, but they are two different things. I'll cover the differences and explain why knowing the difference matters.