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What does the spupdsvc.exe file do?

The spupdsvc.exe process is also known as Update RunOnce Service and is a part of Microsoft Windows Operating System or, as the case may be, Windows Service Pack Installer update service. This software is produced by Microsoft (www.microsoft.com). An obsolete or defective version of spupdsvc.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 spupdsvc.exe Update RunOnce service

spupdsvc.exe is not part of Windows, but it is important nonetheless. Spupdsvc.exe is found in the C:\Windows\System32 directory. Frequently occurring are file sizes such as 26,144 bytes (50% of all these files), 23,856 bytes or, as the case may be, 26,488 bytes.
This spupdsvc program does not have a visible window, and does not appear on the taskbar. The file has a digital signature. This confirms that the producer has been registered with a certificate authority. It was developed by a so-called third party provider - and not by Microsoft. For this reason, 30% 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 spupdsvc.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 spupdsvc?

spupdsvc.exe is a Update RunOnce Service and part of Windows.
Garry

Summary: One user judges spupdsvc.exe to be an essential file that should not be touched. source: file.net

How to uninstall the program or Windows Service Pack Installer update service

spupdsvc.exe Update RunOnce service fix

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

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for the program or Windows Service Pack Installer update service in the list of available programs.
  5. Click Uninstall.

How to tell if spupdsvc.exe (Update RunOnce service) 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 Update RunOnce service. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Update RunOnce service 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 spupdsvc.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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