jar file

About this tag
JAR files are Java archive files that require a compatible Java Runtime Environment (JRE) to execute. On Windows, users often encounter issues opening JAR files due to incorrect file associations, missing Java installations, or system file corruption. Common problems include Windows asking how to open the JAR file instead of running it directly, or error messages like 'Could not find the main class.' Solutions involve reassociating JAR files with Java, reinstalling Java, or using system tools like SFC /Scannow to repair system files. Some users also run JAR files from batch scripts or shortcuts, which may require additional configuration to work correctly.
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    Windows 8 Help. Minecraft forge is not working

    Ok, so I'm trying to make minecraft forge work. I have it installed, but whenever I double click on it to open and set it up, it asks how I want to open the .jar file. I watched YouTube videos because I thought I did something wrong, but whenever they click on it, it opens like it should...
  2. C

    Windows XP SFC /Scannow Problem

    Hello. I thought I'd check the system files as something about the system has crippled the machine's ability to run .JAR files. Did SFC /Scannow from cmd prompt. 'Please insert your Windows XP Professional SP-3 CD now' I inserted the system disc ... The system is XP Home according to Control...
    • Cheemag
    • Thread
    • command prompt error message integrity jar file oem scannow sfc sp3 system files windows xp
    • Replies: 15
    • Forum: Windows Help and Support

  3. Windows 7 How to open jar file?

    i have jar file ...i mistaken to open with java 7...how to default it & how to open it? Link Removed Link Removed
  4. T

    Windows 7 add items to the shutdown menu

    I want to add items to the shutdown menu on windows 7. but i need to add costum item ,with another name like "shutdown + 5" that will run a jar file that i bulit is that possible ?
    • tamir146
    • Thread
    • customization jar file menu menu customization run application shutdown start menu system settings windows 7
    • Replies: 1
    • Forum: Desktop Customization
  5. M

    Windows 7 netsh mbn show interfaces results in command not found on Win7 64Bit

    Hi, I'm trying to run "netsh mbn show interfaces" from a .bat or .jar file on a Windows 7 64bit system but every time I run my file, it results in "The following command was not found mbn show interfaces". When I run that same command in a cmd.exe prompt, the result is correct and as...
    • mariovde
    • Thread
    • 64-bit available commands batch file command execution command line command not found compatibility configuration error message input jar file mbn command netsh network scripting software issues sys32 syswow64 troubleshooting windows 7
    • Replies: 1
    • Forum: Windows Networking
  6. Y

    Windows 7 Please help reduce the number of steps to open Opera Mini on desktop.

    I am running Windows 7. I have created a desktop shortcut using the following path in Target: C:\Users\mycomputer\Desktop\microemulator-2.0.4\microemulator-2.0.4\apps\microemulator.jar This shortcut is successful in opening the microemulator but I then have to go through additional steps...
    • yeto
    • Thread
    • browser configuration desktop eliminate steps error file path help request installation jar file microemulator midiet opera mini quick access settings shortcuts software system settings tech support user tips windows 7
    • Replies: 2
    • Forum: Windows Help and Support
  7. P

    Windows 7 Windows 7 64bit Java Problem

    Hi Please can someone help, for a while now i have not been able to run Java programs on my windows 7 64bit machine, i know it has something to do with corrupt or missing registry settings and file associations, but just cant seem to get it to work, i have also made matters worse as before i...
    • peter7769
    • Thread
    • error file association installation jar file java java runtime registry troubleshooting windows 7
    • Replies: 6
    • Forum: Windows Help and Support