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What does the javaws.exe file do?

The javaws.exe process is also known as Java™ Web Start Launcher and is a part of Java™ Platform (Version SE 8, SE 7). This software is produced by Oracle (www.oracle.com). An obsolete or defective version of javaws.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 javaws.exe Java Web Start Launcher

javaws.exe is not part of Windows, but it is important nonetheless. The file javaws.exe is found in a subdirectory of "C:\Program Files". Frequently occurring are file sizes such as 271,968 bytes (25% of all these files), 274,016 bytes, 268,352 bytes or, as the case may be, 262,560 bytes.
The program executes in the background, and can only be terminated using Windows Task Manager. Javaws.exe possesses a digital signature from Verisign.com, which should confirm its trustworthiness. The original file has a digital certificate (see its file properties). The file was developed by a so-called third party provider - and not by Microsoft. Javaws.exe is capable of track other applications. For this reason, 22% 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 javaws.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 javaws?

Runs java applications deployed from webpages in a security sandbox. Apps cannot write to disk, use printer etc unless they are signed and the user accepts the signature) (further information...)
me self
javaws.exe is a process by Sun Microsystems which gives functionality to this Internet protocol. Often works together with Internet Explorer. (further information...)
Mike

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

How to uninstall Java™ Platform

To remove Java Web Start Launcher 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 Java™ Platform in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
javaws.exe Java Web Start Launcher fix

How to tell if javaws.exe (Java Web Start Launcher) 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 Java Web Start Launcher. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Java Web Start Launcher 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 javaws.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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