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I was try to install it with .exe and .jar files, another .exe files works perfectly, i was trying to reinstall java and minecraft, i was trying to start it with cmd and i also was asking about it in fabric discord, nothing helps. Please, i need somebody help =((((

also, this is what i get when i try to open jar file via cmd

Loading Fabric Installer: 0.7.3
Exception in thread "main" java.lang.ExceptionInInitializerError
at net.fabricmc.installer.InstallerGui.lambda$initComponents$0(InstallerGui.java:72)
at java.util.ArrayList.forEach(Unknown Source)
at net.fabricmc.installer.InstallerGui.initComponents(InstallerGui.java:72)
at net.fabricmc.installer.InstallerGui.<init>(InstallerGui.java:37)
at net.fabricmc.installer.InstallerGui.start(InstallerGui.java:62)
at net.fabricmc.installer.Main.main(Main.java:60)
Caused by: java.util.MissingResourceException: Can't find bundle for base name lang/installer, locale ru_RU
at java.util.ResourceBundle.throwMissingResourceException(Unknown Source)
at java.util.ResourceBundle.getBundleImpl(Unknown Source)
at java.util.ResourceBundle.getBundle(Unknown Source)
at net.fabricmc.installer.util.Utils.<clinit>(Utils.java:44)
... 6 more

Remove all Java versions and install Java 8 again:

https://www.java.com/en/download/

what do u mean when say "all java versions"?

Check your paths at

C:\Program Files

and

C:\Program Files (x86)

If there are any Java installations, remove these

Then install Java 8 given in the link above

doesnt work =(

Did you test it with running the installer with double-click?

yes

When does this error occur?

With double-clicking it or after pressing install?

when i double-clicking, installer doesnt open, nothing happens

Run jarfix and test it again:

https://johann.loefflmann.net/en/software/jarfix/index.html

Quote from NotYourPalm»

I was try to install it with .exe and .jar files, another .exe files works perfectly, i was trying to reinstall java and minecraft, i was trying to start it with cmd and i also was asking about it in fabric discord, nothing helps. Please, i need somebody help =((((

also, this is what i get when i try to open jar file via cmd

Loading Fabric Installer: 0.7.3
Exception in thread "main" java.lang.ExceptionInInitializerError
at net.fabricmc.installer.InstallerGui.lambda$initComponents$0(InstallerGui.java:72)
at java.util.ArrayList.forEach(Unknown Source)
at net.fabricmc.installer.InstallerGui.initComponents(InstallerGui.java:72)
at net.fabricmc.installer.InstallerGui.<init>(InstallerGui.java:37)
at net.fabricmc.installer.InstallerGui.start(InstallerGui.java:62)
at net.fabricmc.installer.Main.main(Main.java:60)
Caused by: java.util.MissingResourceException: Can't find bundle for base name lang/installer, locale ru_RU
at java.util.ResourceBundle.throwMissingResourceException(Unknown Source)
at java.util.ResourceBundle.getBundleImpl(Unknown Source)
at java.util.ResourceBundle.getBundle(Unknown Source)
at net.fabricmc.installer.util.Utils.<clinit>(Utils.java:44)
... 6 more

can you restate this, what you said was patent nonsense

also I assume you're using windows 10?

hello, wdum when say "what you said was patent nonsense"? and what i need to restate?

and yes, i use windows 10

Quote from NotYourPalm»

hello, wdum when say "what you said was patent nonsense"? and what i need to restate?

and yes, i use windows 10

I mean that what you said was incomprehensible, and made no sense

Looks like you have a corrupted Fabric installer jar, try downloading it again.

i was try, nothing

Quote from idontevenknowthisis32characters»

I mean that what you said was incomprehensible, and made no sense

i dont understand what my action have no sense?

Is there a specific reason for using fabric? Does forge work?

my laptop suck, it so unplayable on forge. Fabric is more optimised and it is on 1.16.5

There are no significant differences in performance between forge and fabric - if you have issues with forge then you will also have issues with fabric

Modloaders have no mentionable performance loss when using it - it depends on mods you are going to use

im trying to install forge, it have same problem

Add the error message or log-file