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What is javaw.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the javaw.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Javaw.exe file information

Windows Task Manager with javaw
Javaw.exe process in Windows Task Manager

The process known as Java™ Platform SE binary or Java (version 2 Platform Standard Edition binary) or hp LaserJet (version 1010 Series, 1150 / 1300) or Java launcher or Dell SAS RAID Storage Manager or SPSS 13.0 for Windows

belongs to software hp LaserJet (version 1010 Series, 1150 / 1300) or Java (version 2 Platform Standard Edition 5.0 Update 6, 2 Platform Standard Edition 5.0 Update 2, 2 Platform Standard Edition, 2 Platform Standard Edition 5.0 Update 5, 2 Platform Standard Edition 5.0 Update 9, 2 Platform Standard Edition 5.0, 2 Platform Standard Edition 5.0 Update 4, 2 Platform Standard Edition 5.0 Update 7, 2 Platform Standard Edition 5.0 Update 3, 2 Platform Standard Edition 5.0 Update 1, 6 Update 17 (64-bit), 2 Platform Standard Edition 5.0 Update 10) or Java™ Platform (version SE 6, SE 7) or Dell SAS RAID Storage Manager (version v1.18-00, v1.16-00) or Java 2 Runtime Environment or IBM Rapid Restore PC or IBM Developer Kit for Windows, Java (version 2,) or Winpower or Macromedia Dreamweaver (version 8) or IBM Rapid Restore Ultra or Belkin Automatic Power Management or HP ProCurve Manager or SPSS 13.0 for Windows or Plantronics Merge Module or Puzzle Pirates or QuickBooks

by Sun Microsystems (www.sun.com) or Hewlett-Packard (www.hp.com) or IBM (www.ibm.com) or LSI (www.lsi.com) or Macromedia (www.macromedia.com) or LSI Logic (www.lsi.com) or Oracle (www.oracle.com) or Intuit (www.intuit.com) or SPSS (www-01.ibm.com/software/analytics/spss).

Description: Javaw.exe is not essential for the Windows OS and causes relatively few problems. Javaw.exe is located in a subfolder of "C:\Program Files" or sometimes in the C:\Windows\System32 folder or in a subfolder of C:\Windows or in a subfolder of Windows Temp folder or in a subfolder of C:\Windows\System32—generally C:\WINDOWS\system32\ or C:\Program Files\Java\jre1.5.0_02\bin\. Known file sizes on Windows 8/7/XP are 20,572 bytes (58% of all occurrences), 20,549 bytes and 42 more variants. http://www.file.net/process/javaw.exe.html 
It is not a Windows core file. The process listens for or sends data on open ports to a LAN or the Internet. The program is not visible. The process has no file description. Therefore the technical security rating is 65% dangerous; however you should also read the user reviews.
The developer Oracle provides a website for help and for updates. There is also an uninstaller (Control Panel ⇒ Add/Remove programs ⇒ Java(TM) 6 Update).

Recommended: Identify javaw.exe related errors

External information from Paul Collins:

Important: Some malware camouflages itself as javaw.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder, for example Trojan.Gen (detected by Symantec), and TROJ_GEN.R4FC8LA (detected by TrendMicro). Therefore, you should check the javaw.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

User Comments

it is a java file
  fynn  
It is used by all Java applications that have a custom window. Example: Minecraft It is as safe as the developer makes it, due to it being part of the required applications for any software programmed in java. If you have no appllication open and you find this in the task manager, it is most likeley being used by some sort of virus and should be shut down immedietley. Can be used to hide your java application.
  Sentl  
As long as it is really from Oracle, it is fine.
  Christo Keller  
eat all CPU Time on WHS 2003 (Yaci Peer)
  jeff  
It is the import part for run java program.
  Khan Jackson  
Needed for Gaming. Overheats my CPU. Not to mention a massive CPU hogger and RAM hogger. 3 Captain Sparklez.
  I'm a Techie  
This slows a computer like crazy !
  Da Boy  
Minecraft :D
  CaptainSparklez  
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of javaw.exe: based on 384 votes with 9 reviews. 216 users think javaw.exe is essential for Windows or an installed application. 19 users think it's probably harmless. 75 users think it's neither essential nor dangerous. 39 users suspect danger. 35 users think javaw.exe is dangerous and recommend removing it. 28 users don't grade javaw.exe ("not sure about it").


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Best practices for resolving javaw issues

A clean and tidy computer is the key requirement for avoiding problems with javaw. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the javaw.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

javaw.exe [all]