RSA 8.5 START UP PROBLEM

Hi,

I have a big problem with RSA 8.5. In particular after installation ( with IBM Installation Manager  that's OK) when i try to start it , i get an error message that tells me to read the following log file:

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!SESSION 2014-04-27 10:17:42.957 -----------------------------------------------
eclipse.buildId=unknown
java.fullversion=JRE 1.7.0 IBM J9 2.6 Windows 7 amd64-64 Compressed References 20120322_106209 (JIT enabled, AOT enabled)
J9VM - R26_Java726_SR1_20120322_1720_B106209
JIT  - r11_20120322_22976
GC   - R26_Java726_SR1_20120322_1720_B106209_CMPRSS
J9CL - 20120322_106209
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=it_IT
Framework arguments:  -product com.ibm.rational.rsa4ws.product.v80.ide
Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product com.ibm.rational.rsa4ws.product.v80.ide

!ENTRY org.eclipse.equinox.ds 2 0 2014-04-27 10:18:58.851
!MESSAGE [SCR - WorkThread] Si è verificato un timeout! Il thread è stato bloccato sull'elaborazione di [QueuedJob] WorkPerformer: org.eclipse.equinox.internal.ds.SCRManager@696908c1; actionType 1

!ENTRY org.eclipse.equinox.ds 2 0 2014-04-27 10:18:59.101
!MESSAGE [SCR] L'abilitazione dei componenti del bundle com.ibm.support.feedback.ui non è stata completata in 30000 ms

!ENTRY org.eclipse.osgi 2 0 2014-04-27 10:19:04.264
!MESSAGE Durante il caricamento della classe "org.eclipse.core.runtime.RegistryFactory", il thread "Thread[Start Level Event Dispatcher,5,main]" è andato in timeout durante l'attesa (5000ms) del thread "Thread[Component Resolve Thread,5,main]" per completare l'avvio del bundle "org.eclipse.equinox.registry_3.5.0.v20100503 [3891]". Per evitare la condizione di stallo, il thread "Thread[Start Level Event Dispatcher,5,main]" continua l'elaborazione ma "org.eclipse.core.runtime.RegistryFactory" potrebbe non essere inizializzato correttamente.
!STACK 0
org.osgi.framework.BundleException: Modifica stato in corso per il bundle "reference:file:../../../Program Files (x86)/IBM/IMShared/plugins/org.eclipse.equinox.registry_3.5.0.v20100503.jar" dal thread "Component Resolve Thread".
 at org.eclipse.osgi.framework.internal.core.AbstractBundle.beginStateChange(Unknown Source)
 at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(Unknown Source)
 at org.eclipse.osgi.framework.util.SecureAction.start(Unknown Source)
 at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(Unknown Source)
 at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(Unknown Source)
 at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(Unknown Source)
 at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(Unknown Source)
 at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(Unknown Source)
 at org.eclipse.osgi.internal.loader.SingleSourcePackage.loadClass(Unknown Source)......and other exceptions

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Can You Help Me Please? How can i Start It and Work ?

Thanks...

Giuseppe