Erro ao rodar NetBeans 3.6

Pessoal,

Baixei a versão java do instalador do NetBeans 3.6 e instalei. Agora, quando acesso o programa, ocorre uma exceção:

Annotation: Module file: /opt/NetBeans3.6/modules/form.jar java.util.zip.ZipException: error in opening zip file at java.util.zip.ZipFile.open(Native Method) at java.util.zip.ZipFile.<init>(ZipFile.java:112) at java.util.jar.JarFile.<init>(JarFile.java:127) at java.util.jar.JarFile.<init>(JarFile.java:107) at org.netbeans.core.modules.ModuleInstaller.loadManifest(ModuleInstaller.java:138) at org.netbeans.core.modules.NbInstaller.loadManifest(NbInstaller.java:1222) at org.netbeans.core.modules.ModuleManager.loadManifest(ModuleManager.java:566) at org.netbeans.core.modules.Module.loadManifest(Module.java:537) at org.netbeans.core.modules.Module.<init>(Module.java:138) at org.netbeans.core.modules.ModuleManager.create(ModuleManager.java:460) at org.netbeans.core.modules.ModuleList.scanDir(ModuleList.java:184) at org.netbeans.core.modules.ModuleList.scan(ModuleList.java:164) at org.netbeans.core.modules.ModuleSystem.scanForNewAndRestore(ModuleSystem.java:285) at org.netbeans.core.NonGui.run(NonGui.java:348) at org.netbeans.core.Main.run(Main.java:294) at org.netbeans.core.NbTopManager.getNbTopManager(NbTopManager.java:233) at org.netbeans.core.NbTopManager.get(NbTopManager.java:188) at org.netbeans.core.Main.start(Main.java:485) at org.netbeans.core.TopThreadGroup.run(TopThreadGroup.java:90) [catch] at java.lang.Thread.run(Thread.java:534)

O que há de errado?

Obrigado,

Gleison

PS: Estou usando Slackware 9.1 e J2SDK 1.4.2