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What does the jqs.exe file do?

The jqs.exe process is also known as Java Quick Starter Service or, as the case may be, Java TM Quick Starter Service and is a part of Java™ Platform (Version SE 6, SE 7, SE 8) or, as the case may be, Java SE Runtime Environment (Version 7, 6). This software is produced by Sun Microsystems (www.sun.com) or, as the case may be, Oracle (www.oracle.com). An obsolete or defective version of jqs.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 jqs.exe Java Quick Starter service

jqs.exe is not part of Windows, but it is important nonetheless. Jqs.exe is found in a subdirectory of "C:\Program Files" or sometimes in a subdirectory of C:\ or, as the case may be, in in a subdirectory of the "My Documents" folder. Frequently occurring are file sizes such as 153,376 bytes (46% of all these files), 152,984 bytes as well as 20 other variants.
This process does not have a visible window, and does not appear on the taskbar. The jqs file is not part of the Windows operating system. This process can initiate a network connection--either to the Internet or on your LAN. The original file has a digital certificate (see its file properties). The original file is digitally signed. Check your file. Jqs.exe is capable of supervise programs. For this reason, 44% 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 jqs.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 jqs?

This is a valid program (further information...)
Just Java stuff
Arran Fortuna
Java Quick Starter. Generally speaking it's not needed at all by normal users and is really only of benefit to people if you're using Java regularly, i.e: more than once per day. Basically it's aimed at those who use Java almost constantly for whatever reason. There is no harm in doing an 'End Process' on it or alternatively under Start Control Panel Java then Advanced tab and the 'Miscellaneous' section it can be disabled there by un-ticking the relevant tick box. Saying that, it was found to be running as a system process even though I didn't have the box ticked to enable it.
Cameron
garnichts deswegen
C!b3r
Jqs.exe is the Java Quick Starter which was designed to improve the startup time of Java applets and applications by prefetching Java Runtime Environment files frequently into memory. (further information...)
Mario

Summary: 14 users judge jqs.exe to be an essential file that should not be touched. However, 2 users consider this to be a suspicious process and would like to get rid of it. For this reason, 2 users have already deleted jqs.exe. source: file.net

How to uninstall Java™ Platform or Java SE Runtime Environment

jqs.exe Java Quick Starter service fix

To remove Java Quick Starter 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 Java™ Platform or Java SE Runtime Environment in the list of available programs.
  5. Click Uninstall.

How to tell if jqs.exe (Java Quick Starter 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 Java Quick Starter service. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Java Quick Starter 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 jqs.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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