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The javaws.exe file

According to our database, the javaws.exe file is part of Java Platform SE 8, so the javaws.exe file probably got onto your computer during the installation of Java Platform SE 8.

Table of contents:

The javaws.exe file's details

Below, we have summarized the details of the javaws.exe file known to us. The manufacturers constantly update their software, so naturally javaws.exe may exist in a different version with a different name. The data below summarizes the parameters of the javaws.exe file with the 11.51:2.16 version number.

314.09 kB (321632 B)
Internal name:
Java Web Start Launcher
Original filename:
Java Web Start Launcher
© Oracle
Oracle Corporation
Java Platform SE 8
Product version:

The links related to the javaws.exe

We try to collect the websites where you can find further information about the javaws.exe file.

The javaws.exe's possible errors

Below are the top five most common javaws.exe errors and how to fix them.

javaws.exe - Application error

The instruction at "0x????????" reference memory at "0x00000000". The memory could not be read.

The causes of the error message and possible solutions:

  • Faulty program code. Signal the error to the application's developer, and try installing a newer version.
  • It's possible that there isn't enough memory available for the application. Free up memory be temporarily stopping some applications or services.
  • It's possible that a hardware component of your computer is malfunctioning. Have the hardware components of your computer checked, with special attention to the RAM modules.

javaws.exe - Error

The program can't start because ???.dll is missing from your computer. Try reinstalling the program to fix this problem.

The cause of the error message and possible solution:

  • The DLL file required for running javaws.exe is either missing or out of date. Reinstall the application.

javaws.exe - Access denied

javaws.exe - Access denied

The causes of the error message and possible solutions:

  • The antivirus software may have blocked access to the javaws.exe file. Check your antivirus software's log and quarantine.
  • You don't have the permissions to run the javaws.exe. Change the permissions of the file.
  • The javaws.exe file may have been damaged. Reinstall the application.

javaws.exe - Error

javaws.exe is not recognized as an internal or external command, operable program or batch file.

The cause of the error message and possible solution:

  • The javaws.exe isn't installed. Install the application.

javaws.exe - Application error

The exception Illegal Instruction. An attempt was made to execute an illegal instruction.

The causes of the error message and possible solutions:

  • The javaws.exe uses an instruction set that isn't supported by your CPU. Install the version that is adequate to your computer.
  • It's possible that a hardware component of your computer is malfunctioning. Have the hardware components of your cimputer checked, with special attention to your CPU's cooling.

Other executable files related to the javaws.exe

Java Platform SE 8 uses other executable files besides the javaws.exe file. The file’s names can be different with each version.

Java Update Scheduler
Java Platform SE Binary
Java Platform SE Binary
Java Platform SE Binary
Java Platform SE Binary
Java Platform SE Binary
Java Platform SE Binary

Downloading the javaws.exe

If you need the javaws.exe file because the file system is damaged, then we suggest that you reinstall Java Platform SE 8. Copying an executable usually doesn't solve the problem.


Never open an executable file that you received in an e-mail! Even if it seems like you received it from a reliable person. In most cases, the viruses circulating on the Internet get onto the infected computers from sources that are believed to be reliable.

During the analysis, we checked all the executable files registered by us with at least 2 antivirus softwares.

Help us

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Supported operating systems

Windows Server 2003/2008/2012, Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

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