I can't set up forge...

MCreator was not able to connect to the internet. Gradle tasks might not work.
   
Executing gradle command: cleanCache clean setupDecompWorkspace --refresh-dependencies
Microsoft Windows [Version 10.0.14393]
(c) 2016 Microsoft Corporation. All rights reserved.
C:\Pylo\MCreator175>cd forge
C:\Pylo\MCreator175\forge>SET "JAVA_HOME=C:\Pylo\MCreator175\jdk32\"
C:\Pylo\MCreator175\forge>SET JAVA_EXE=%JAVA_HOME%\bin\java.exe
C:\Pylo\MCreator175\forge>SET PATH=%JAVA_HOME%\bin\;%PATH%
C:\Pylo\MCreator175\forge>gradlew -Dorg.gradle.jvmargs="-Xms512m -Xmx1024m" cleanCache clean setupDecompWorkspace --refresh-dependencies 
This mapping 'snapshot_20161220' was designed for MC 1.11! Use at your own peril.
#################################################
         ForgeGradle 2.2-SNAPSHOT-7f5a769        
  https://github.com/MinecraftForge/ForgeGradle  
#################################################
               Powered by MCP unknown               
             http://modcoderpack.com             
         by: Searge, ProfMobius, Fesh0r,         
         R4wk, ZeuX, IngisKahn, bspkrs           
#################################################
:cleanCache
:clean UP-TO-DATE
:deobfCompileDummyTask
:deobfProvidedDummyTask
:getVersionJson
:extractUserdev
:extractDependencyATs SKIPPED
:extractMcpData
:extractMcpMappings
:genSrgs
:downloadClient
:downloadServer
:splitServerJar
:mergeJars
:deobfMcSRG
Applying SpecialSource...
Applying Exceptor...
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
   at org.jetbrains.java.decompiler.struct.attr.StructLineNumberTableAttribute.initContent(StructLineNumberTableAttribute.java:41)
   at org.jetbrains.java.decompiler.struct.StructMember.readAttribute(StructMember.java:92)
   at org.jetbrains.java.decompiler.struct.StructMethod.readAttribute(StructMethod.java:110)
   at org.jetbrains.java.decompiler.struct.StructMember.readAttributes(StructMember.java:57)
   at org.jetbrains.java.decompiler.struct.StructMethod.readAttribute(StructMethod.java:105)
   at org.jetbrains.java.decompiler.struct.StructMember.readAttributes(StructMember.java:57)
   at org.jetbrains.java.decompiler.struct.StructMethod.(StructMethod.java:78)
   at org.jetbrains.java.decompiler.struct.StructClass.(StructClass.java:116)
   at org.jetbrains.java.decompiler.struct.StructClass.(StructClass.java:75)
   at org.jetbrains.java.decompiler.struct.StructContext.addArchive(StructContext.java:167)
   at org.jetbrains.java.decompiler.struct.StructContext.addSpace(StructContext.java:100)
   at org.jetbrains.java.decompiler.struct.StructContext.addSpace(StructContext.java:78)
   at org.jetbrains.java.decompiler.main.decompiler.BaseDecompiler.addSpace(BaseDecompiler.java:36)
   at net.minecraftforge.gradle.tasks.fernflower.FernFlowerInvoker.runFernFlower(FernFlowerInvoker.java:68)
   at net.minecraftforge.gradle.tasks.fernflower.FernFlowerInvoker.main(FernFlowerInvoker.java:41)
Picked up _JAVA_OPTIONS: -Xmx1000m
:decompileMc FAILED
FAILURE: Build failed with an exception.
BUILD FAILED
* What went wrong:
Execution failed for task ':decompileMc'.
> Process 'command 'C:\Pylo\MCreator175\jdk32\bin\java.exe'' finished with non-zero exit value 1
Total time: 3 mins 7.117 secs
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
Picked up _JAVA_OPTIONS: -Xmx1000m
C:\Pylo\MCreator175\forge>
Task completed with return code 0 in 187778 milliseconds

HELP. It claims that I must go the Preferences and change the allotted RAM to Java, but I cannot get to the Preferences while it's failing to set up!