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What does the diagnostics.exe file do?

The diagnostics.exe process is also known as SpeedTouch (Version 330 diagnostics) or, as the case may be, Diagnostics and is a part of SpeedTouch (Version 330 diagnostics, 330) or, as the case may be, Software Technical Support. This software is produced by THOMSON Telecom Belgium (www.speedtouchdsl.com) or, as the case may be, Diagnostics. An obsolete or defective version of diagnostics.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about diagnostics.exe SpeedTouch

diagnostics.exe is not part of Windows, but it is important nonetheless. Diagnostics.exe is found in a subdirectory of "C:\Program Files". Frequently occurring are file sizes such as 557,149 bytes (75% of all these files) or, as the case may be, 1,727,104 bytes.
This process is initiated as part of Windows start-up (Registry: MACHINE\Run, Run). The diagnostics file is not part of the Windows operating system. Diagnostics.exe is capable of interpret keystrokes as well as modify other Windows tasks. For this reason, 66% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves diagnostics.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about diagnostics?

this is software of adsl modem (further information...)
Sally
speedtouch 330 driver

Summary: 2 users judge diagnostics.exe to be an essential file that should not be touched. source: file.net

How to uninstall SpeedTouch or Software Technical Support

To remove SpeedTouch from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate SpeedTouch or Software Technical Support in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
diagnostics.exe SpeedTouch fix

How to tell if diagnostics.exe (SpeedTouch) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of SpeedTouch. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for SpeedTouch or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or diagnostics.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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