tcupdater.exe by Leo A. Notenboom Tcupdater.exe is a form of malware, and should be removed with an up-to-date spyware scanner. tcupdater.exe [/al_question] Apparently it’s some form of malware. I was able to find some details in a discussion forum: here. It indicates that current versions of some spyware scanners should detect and correct it. 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. How can on-line forum members realize it's me using two different accounts? - There’s a lot that’s not specified here, so I’ll have to make a few assumptions. My first assumption, of course, is that you had a good intentions using different IDs on the same forum, and that you you’re not trying to deceive someone. (See my rant on ethics if you wonder why I care.) Depending ... Read more What is svchost, and why is there more than one copy running? - Svchost.exe, or just "svchost" is a Windows component. It's quite normal to have more than one copy running. Unfortunately, it's also the target of malware and often shows up in malware-related problems.