What does TwDsUiLaunch.exe do and Can I Disable it?

Published by Nyau Wai Hoe - Updated on

TwDsUiLaunch.exe is a piece of software that usually comes with Brother printers. It’s a key part of the M17A process, making sure Brother’s printing tools work correctly. This guide will tell you what TwDsUiLaunch.exe does, if you can turn it off, and how to get rid of it if you need to.

Also see: How to Limit CPU Usage of a Process in Windows 11

What does TwDsUiLaunch.exe do

What is TwDsUiLaunch.exe?

Let’s start with the basics: an .exe file is something that your computer runs to do certain tasks. TwDsUiLaunch.exe is made by Brother Industries and helps their printers talk to your computer. It’s usually found in the C:\windows\twain_32\Brimm15a\Common\ folder.

This file works with Twain, a way for graphic programs to talk with things like scanners and cameras. Thanks to Twain, Brother printers can understand your computer better.

Brother printing utilities

When you want to print, TwDsUiLaunch.exe helps your computer and printer work together. Without it, you might run into printing troubles.

Useful guide: How to Know Which App is Using The Internet in Windows 11

Can you disable TwDsUiLaunch.exe?

Now you might wonder if you can turn off TwDsUiLaunch.exe. Yes, you can, but it might make your Brother printer not work as well, especially for fancy features tied to the M17A process.

Turning it off might not mess up simple printing, but things like scanning and using other cool features could be harder. So, it’s usually best to keep it running if you use a Brother printer a lot.

TwDsUiLaunch.exe Brother Utilities

If your computer is slow and you think TwDsUiLaunch.exe is the problem, check how much of your computer’s brainpower it’s using before you decide to stop it.

To see how much it’s using:

  1. Hit Ctrl + Shift + Esc for Task Manager.
  2. Go to the “Details” tab.
  3. Find “TwDsUiLaunch.exe” and look at its CPU and memory use.TwDsUiLaunch.exe high CPU memory usage

If it’s using a lot, you might want to talk to a tech person before you turn it off.

Handy tip: How to Know Which Process is Using a File in Windows 11

How to disable TwDsUiLaunch.exe

To stop TwDsUiLaunch.exe from starting up with your computer, do this:

  1. Press Ctrl + Shift + Esc to open Task Manager.
  2. Click on the “Startup” tab.
  3. Find “TwDsUiLaunch.exe” or anything from Brother Industries.Can I disable TwDsUiLaunch.exe
  4. Click it, then hit “Disable” at the bottom right.
  5. Close Task Manager.

But remember, this might change how your Brother printer works.

Related resource: How to Disable Startup Services on Windows 11 or 10

How to remove TwDsUiLaunch.exe

If you decide you don’t need TwDsUiLaunch.exe anymore, you’ll have to remove the Brother printer software it comes with. Here’s how:

  1. Hit Windows key + R to get the Run box.
  2. Type “control panel” and hit Enter.Open Control Panel from Run in Windows 11
  3. Click “Programs“, then “Programs and Features“.Control Panel Programs and Features Windows 11
  4. Look for Brother stuff, like “Brother Utilities”. Click it and then “Uninstall“.Uninstall or delete TwDsUiLaunch.exe
  5. Follow the steps to remove it.
  6. Do this for any other Brother software.

Doing this means your Brother printer won’t talk to your computer anymore, so make sure you’re okay with that before you remove everything.

After you’ve removed the Brother software, TwDsUiLaunch.exe should be gone from your system. To be sure, you can look around your computer, especially in the C:\windows\twain_32\Brimm15a\Common\ folder.

If you ever want to use your Brother printer again with all its features, you’ll have to reinstall the software. You can usually do this by going to the Brother website, finding your printer model, and downloading the needed drivers and tools.

Linked issue: High CPU Usage After Windows 11/10 Update (Fix)

Final notes

The real TwDsUiLaunch.exe file is safe, but be careful because any .exe file could be a virus if it’s from a shady source. If you find the file in an unexpected place or it’s using too much of your computer’s resources, it might be good to scan your computer or that specific file/folder with a reputable antivirus software.

In short, TwDsUiLaunch.exe is an important part of making sure your Brother printer and computer can talk to each other. You can turn it off, but it might affect how well your printer works. If you’re worried the file might be harmful, you might want to consider uninstall the Brother printer software if you no longer use it.

Nyau Wai Hoe
Nyau Wai Hoe is the Founder and Chief Editor of WindowsDigitals.com. With a degree in software engineering and over 12 years of experience in the tech support industry, Nyau has established himself as an expert in the field, with a primary focus on the Microsoft Windows operating system. As a tech enthusiast, he loves exploring new technologies and leveraging them to solve real-life problems.

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