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 Make Sure Windows 10 is Up to Date? - The best way to make sure Windows 10 is up to date is to let it do the job for you automatically. I'll discuss why you want it to and what options you have. What’s a “Zero-Day” Attack? A Diagram of the Vulnerability Timeline - A zero-day attack is an exploitation of a software vulnerability before there's a fix for it. I'll review the timeline. How Do I Upgrade Windows from 32-bit to 64-bit? - If you have a 64-bit capable machine, you may want to upgrade from 32-bit Windows to 64. Unfortunately, the upgrade, while quite possible, isn't easy. The One Thing Every Non-technical Person Needs to Know - If there's one precaution I want everyone to embrace, it's this.