Can't install Mcreator 1.7.1

   
Executing gradle command: cleanCache clean setupDecompWorkspace --refresh-dependencies
Microsoft Windows [Version 6.2.9200]
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D:\TheMiddleAges1.10.2>cd forge
D:\TheMiddleAges1.10.2\forge>SET "JAVA_HOME=D:\TheMiddleAges1.10.2\jdk64\"
D:\TheMiddleAges1.10.2\forge>SET JAVA_EXE=%JAVA_HOME%\bin\java.exe
D:\TheMiddleAges1.10.2\forge>SET PATH=%JAVA_HOME%\bin\;%PATH%
D:\TheMiddleAges1.10.2\forge>gradlew -Dorg.gradle.jvmargs="-Xms625m -Xmx2048m" cleanCache clean setupDecompWorkspace --refresh-dependencies
To honour the JVM settings for this build a new JVM will be forked. Please consider using the daemon: https://docs.gradle.org/2.14/userguide/gradle_daemon.html.
This mapping 'snapshot_20160518' was designed for MC 1.9.4! Use at your own peril.
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         ForgeGradle 2.2-SNAPSHOT-c438b06        
  https://github.com/MinecraftForge/ForgeGradle  
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:cleanCache FAILED
FAILURE: Build failed with an exception.
BUILD FAILED
Total time: 41.857 secs
* What went wrong:
Execution failed for task ':cleanCache'.
> Unable to delete file: C:\Users\Костя\.gradle\caches\minecraft\net\minecraft\minecraft_merged\1.10.2\minecraft_merged-1.10.2.jar
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
D:\TheMiddleAges1.10.2\forge>
Task completed with return code 0 in 43530 milliseconds