MCreator Doesn't Install (Version 1.7.8 / 1.7.9)

Hello everyone, it's me, TheGreatKingBoo_. So, i already posted this error in the issue tracker, but it got cancelled (i'm not mad or anything, as it was probably because i had to put it here instead of the issue tracker, sorry), but whenever i am trying to install MCreator, it opens up as normal, but it ALWAYS gives me this error right here:

   
Executing gradle command: cleanCache clean setupDecompWorkspace --refresh-dependencies
Microsoft Windows [Versione 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. Tutti i diritti riservati.
C:\Pylo\MCreator178>cd forge
C:\Pylo\MCreator178\forge>SET "JAVA_HOME=C:\Pylo\MCreator178\jdk\"
C:\Pylo\MCreator178\forge>SET JAVA_EXE=%JAVA_HOME%\bin\java.exe
C:\Pylo\MCreator178\forge>SET PATH=%JAVA_HOME%\bin\;%PATH%
C:\Pylo\MCreator178\forge>SET "GRADLE_USER_HOME=C:\Users\mattia\.mcreator\gradle"
C:\Pylo\MCreator178\forge>gradlew -Dorg.gradle.jvmargs="-Xms512m -Xmx2000m" cleanCache clean setupDecompWorkspace --refresh-dependencies --offline 
java.io.FileNotFoundException: C:\Users\------\.mcreator\gradle\caches\minecraft\McpMappings.json (Impossibile trovare il file specificato[Translation: Impossible to find specified file])
   at java.io.FileInputStream.open0(Native Method)
   at java.io.FileInputStream.open(FileInputStream.java:195)
   at java.io.FileInputStream.(FileInputStream.java:138)
   at com.google.common.io.Files$FileByteSource.openStream(Files.java:120)
   at com.google.common.io.Files$FileByteSource.openStream(Files.java:110)
   at com.google.common.io.ByteSource$AsCharSource.openStream(ByteSource.java:456)
   at com.google.common.io.CharSource.read(CharSource.java:232)
   at com.google.common.io.Files.toString(Files.java:261)
   at net.minecraftforge.gradle.common.BasePlugin.getWithEtag(BasePlugin.java:694)
   at net.minecraftforge.gradle.common.BasePlugin.getRemoteJsons(BasePlugin.java:226)
   at net.minecraftforge.gradle.common.BasePlugin.apply(BasePlugin.java:182)
   at net.minecraftforge.gradle.common.BasePlugin.apply(BasePlugin.java:91)
   at org.gradle.api.internal.plugins.ImperativeOnlyPluginApplicator.applyImperative(ImperativeOnlyPluginApplicator.java:35)
   at org.gradle.api.internal.plugins.RuleBasedPluginApplicator.applyImperative(RuleBasedPluginApplicator.java:43)
   at org.gradle.api.internal.plugins.DefaultPluginManager.doApply(DefaultPluginManager.java:137)
   at org.gradle.api.internal.plugins.DefaultPluginManager.apply(DefaultPluginManager.java:112)
   at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.applyType(DefaultObjectConfigurationAction.java:113)
   at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.access$200(DefaultObjectConfigurationAction.java:36)
   at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction$3.run(DefaultObjectConfigurationAction.java:80)
   at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.execute(DefaultObjectConfigurationAction.java:136)
   at org.gradle.api.internal.project.AbstractPluginAware.apply(AbstractPluginAware.java:46)
   at org.gradle.api.internal.project.ProjectScript.apply(ProjectScript.java:34)
   at org.gradle.api.Script$apply$0.callCurrent(Unknown Source)
   at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:52)
   at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:154)
   at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:166)
   at build_4bei926qqt5zffxcgiot2h818.run(C:\Pylo\MCreator178\forge\build.gradle:10)
   at org.gradle.groovy.scripts.internal.DefaultScriptRunnerFactory$ScriptRunnerImpl.run(DefaultScriptRunnerFactory.java:91)
   at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl$2.run(DefaultScriptPluginFactory.java:177)
   at org.gradle.configuration.ProjectScriptTarget.addConfiguration(ProjectScriptTarget.java:77)
   at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl.apply(DefaultScriptPluginFactory.java:182)
   at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:38)
   at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:25)
   at org.gradle.configuration.project.ConfigureActionsProjectEvaluator.evaluate(ConfigureActionsProjectEvaluator.java:34)
   at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:55)
   at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:540)
   at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:93)
   at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:42)
   at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:35)
   at org.gradle.initialization.DefaultGradleLauncher$2.run(DefaultGradleLauncher.java:124)
   at org.gradle.internal.Factories$1.create(Factories.java:22)
   at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91)
   at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:53)
   at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:121)
   at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:32)
   at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:98)
   at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:92)
   at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91)
   at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:63)
   at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:92)
   at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:83)
   at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:99)
   at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)
   at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
   at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:48)
   at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:30)
   at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:81)
   at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:46)
   at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:52)
   at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:74)
   at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:72)
   at org.gradle.util.Swapper.swap(Swapper.java:38)
   at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.health.DaemonHealthTracker.execute(DaemonHealthTracker.java:40)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:60)
   at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:72)
   at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.health.HintGCAfterBuild.execute(HintGCAfterBuild.java:41)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50)
   at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:237)
   at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)
   at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   at java.lang.Thread.run(Thread.java:748)
java.io.FileNotFoundException: C:\Users\mattia\.mcreator\gradle\caches\minecraft\McpMappings.json (Impossibile trovare il file specificato)
   at java.io.FileInputStream.open0(Native Method)
   at java.io.FileInputStream.open(FileInputStream.java:195)
   at java.io.FileInputStream.(FileInputStream.java:138)
   at com.google.common.io.Files$FileByteSource.openStream(Files.java:120)
   at com.google.common.io.Files$FileByteSource.openStream(Files.java:110)
   at com.google.common.io.ByteSource$AsCharSource.openStream(ByteSource.java:456)
   at com.google.common.io.CharSource.read(CharSource.java:232)
   at com.google.common.io.Files.toString(Files.java:261)
   at net.minecraftforge.gradle.common.BasePlugin.getWithEtag(BasePlugin.java:694)
   at net.minecraftforge.gradle.common.BasePlugin.getRemoteJsons(BasePlugin.java:226)
   at net.minecraftforge.gradle.common.BasePlugin.apply(BasePlugin.java:182)
   at net.minecraftforge.gradle.common.BasePlugin.apply(BasePlugin.java:91)
   at org.gradle.api.internal.plugins.ImperativeOnlyPluginApplicator.applyImperative(ImperativeOnlyPluginApplicator.java:35)
   at org.gradle.api.internal.plugins.RuleBasedPluginApplicator.applyImperative(RuleBasedPluginApplicator.java:43)
   at org.gradle.api.internal.plugins.DefaultPluginManager.doApply(DefaultPluginManager.java:137)
   at org.gradle.api.internal.plugins.DefaultPluginManager.apply(DefaultPluginManager.java:112)
   at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.applyType(DefaultObjectConfigurationAction.java:113)
   at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.access$200(DefaultObjectConfigurationAction.java:36)
   at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction$3.run(DefaultObjectConfigurationAction.java:80)
   at org.gradle.api.internal.plugins.DefaultObjectConfigurationAction.execute(DefaultObjectConfigurationAction.java:136)
   at org.gradle.api.internal.project.AbstractPluginAware.apply(AbstractPluginAware.java:46)
   at org.gradle.api.internal.project.ProjectScript.apply(ProjectScript.java:34)
   at org.gradle.api.Script$apply$0.callCurrent(Unknown Source)
   at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:52)
   at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:154)
   at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:166)
   at build_4bei926qqt5zffxcgiot2h818.run(C:\Pylo\MCreator178\forge\build.gradle:10)
   at org.gradle.groovy.scripts.internal.DefaultScriptRunnerFactory$ScriptRunnerImpl.run(DefaultScriptRunnerFactory.java:91)
   at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl$2.run(DefaultScriptPluginFactory.java:177)
   at org.gradle.configuration.ProjectScriptTarget.addConfiguration(ProjectScriptTarget.java:77)
   at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl.apply(DefaultScriptPluginFactory.java:182)
   at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:38)
   at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:25)
   at org.gradle.configuration.project.ConfigureActionsProjectEvaluator.evaluate(ConfigureActionsProjectEvaluator.java:34)
   at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:55)
   at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:540)
   at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:93)
   at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:42)
   at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:35)
   at org.gradle.initialization.DefaultGradleLauncher$2.run(DefaultGradleLauncher.java:124)
   at org.gradle.internal.Factories$1.create(Factories.java:22)
   at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91)
   at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:53)
   at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:121)
   at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:32)
   at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:98)
   at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:92)
   at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91)
   at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:63)
   at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:92)
   at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:83)
   at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:99)
   at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)
   at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
   at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:48)
   at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:30)
   at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:81)
   at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:46)
   at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:52)
   at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:74)
   at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:72)
   at org.gradle.util.Swapper.swap(Swapper.java:38)
   at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.health.DaemonHealthTracker.execute(DaemonHealthTracker.java:40)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:60)
   at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:72)
   at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.health.HintGCAfterBuild.execute(HintGCAfterBuild.java:41)
   at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)
   at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50)
   at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:237)
   at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)
   at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   at java.lang.Thread.run(Thread.java:748)
FAILURE: Build failed with an exception.
* Where:
Build file 'C:\Pylo\MCreator178\forge\build.gradle' line: 10
* What went wrong:
A problem occurred evaluating root project 'forge'.
> Failed to apply plugin [id 'net.minecraftforge.gradle.forge']
> Unable to obtain url ([http://files.minecraftforge.net/maven/de/oceanlabs/mcp/versions.json, h…]) with etag!
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
BUILD FAILED
Total time: 21.847 secs
C:\Pylo\MCreator178\forge>
Task completed with return code 0 in 25703 milliseconds

I really don't know what causes this error, but is someone could tell me the cause, i would be very happy! (Note that the version i was installing is 1.7.8, but it gave me this error with 1.7.9 too)