Modpacks Doenst Install

[RBNSshard]

Can someone Help Me with this error ? 

[B#534] java.lang.NoClassDefFoundError: org/eclipse/aether/impl/DefaultServiceLocator$ErrorHandler
[B#534]     at net.technicpack.minecraftcore.install.tasks.HandleVersionFileTask.<init>(HandleVersionFileTask.java:60)
[B#534]     at net.technicpack.launcher.launch.Installer.buildTasksQueue(Installer.java:282)
[B#534]     at net.technicpack.launcher.launch.Installer$1.run(Installer.java:114)
[B#534]     at java.lang.Thread.run(Unknown Source)
[B#534] Caused by: java.lang.ClassNotFoundException: org.eclipse.aether.impl.DefaultServiceLocator$ErrorHandler
[B#534]     at java.net.URLClassLoader$1.run(Unknown Source)
[B#534]     at java.net.URLClassLoader$1.run(Unknown Source)
[B#534]     at java.security.AccessController.doPrivileged(Native Method)
[B#534]     at java.net.URLClassLoader.findClass(Unknown Source)
[B#534]     at com.regexlab.j2e.Jar2ExeClassLoader.findClass(Unknown Source)
[B#534]     at java.lang.ClassLoader.loadClass(Unknown Source)
[B#534]     at java.lang.ClassLoader.loadClass(Unknown Source)
[B#534]     ... 4 more
[B#534] Unhandled Exception in Thread[Thread-37,6,main]

When i click to Dowload Some Modpack That Doesnt Work Doenst Start the Dowload

 Thats Windows 64Bits  

Sorry For the bad Inglish i Speak Portuguese.

[Lord Ptolemy]

Restart the launcher so it can update or redownload it from https://www.technicpack.net/download

[Lord Ptolemy]

Going to take the no response as a sign you're using a cracked launcher. Locked. Do not seek support from us while using a cracked launcher.