diff --git a/rse/plugins/org.eclipse.rse.subsystems.files.core/src/org/eclipse/rse/internal/subsystems/files/core/Activator.java b/rse/plugins/org.eclipse.rse.subsystems.files.core/src/org/eclipse/rse/internal/subsystems/files/core/Activator.java
index 240a703fcfd..fb943b6da7f 100644
--- a/rse/plugins/org.eclipse.rse.subsystems.files.core/src/org/eclipse/rse/internal/subsystems/files/core/Activator.java
+++ b/rse/plugins/org.eclipse.rse.subsystems.files.core/src/org/eclipse/rse/internal/subsystems/files/core/Activator.java
@@ -13,6 +13,7 @@
  * 
  * Contributors:
  * Martin Oberhuber (Wind River) - [180519][api] declaratively register adapter factories
+ * Martin Oberhuber (wind River) - [203105] Decouple recursive plugin activation of UI adapters
  *******************************************************************************/
 
 package org.eclipse.rse.internal.subsystems.files.core;
@@ -47,7 +48,12 @@ public class Activator extends AbstractUIPlugin {
 		// make sure that required adapters factories are loaded 
 		//(will typically activate org.eclipse.rse.files.ui)
 		//TODO Check that this does not fire up the UI if we want to be headless
-		Platform.getAdapterManager().loadAdapter(new RemoteFileEmpty(), "org.eclipse.rse.ui.view.ISystemViewElementAdapter"); //$NON-NLS-1$
+		//Decouple from the current Thread
+		new Thread("files.ui adapter loader") { //$NON-NLS-1$
+			public void run() {
+				Platform.getAdapterManager().loadAdapter(new RemoteFileEmpty(), "org.eclipse.rse.ui.view.ISystemViewElementAdapter"); //$NON-NLS-1$
+			}
+		}.start();
 		// Others (RemoteSearchResultSet, RemoteSearchResult, 
 		// RemoteFileSystemConfigurationAdapter will be available
 		// automatically once the plugin is loaded
diff --git a/rse/plugins/org.eclipse.rse.subsystems.processes.core/src/org/eclipse/rse/internal/subsystems/processes/core/Activator.java b/rse/plugins/org.eclipse.rse.subsystems.processes.core/src/org/eclipse/rse/internal/subsystems/processes/core/Activator.java
index 287d795ae95..4c752b5b772 100644
--- a/rse/plugins/org.eclipse.rse.subsystems.processes.core/src/org/eclipse/rse/internal/subsystems/processes/core/Activator.java
+++ b/rse/plugins/org.eclipse.rse.subsystems.processes.core/src/org/eclipse/rse/internal/subsystems/processes/core/Activator.java
@@ -12,6 +12,7 @@
  * 
  * Contributors:
  * Martin Oberhuber (Wind River) - [180519][api] declaratively register rse.processes.ui adapter factories
+ * Martin Oberhuber (wind River) - [203105] Decouple recursive plugin activation of UI adapters
  ********************************************************************************/
 
 package org.eclipse.rse.internal.subsystems.processes.core;
@@ -44,8 +45,13 @@ public class Activator extends AbstractUIPlugin {
 		// make sure that required adapters factories are loaded 
 		//(will typically activate org.eclipse.rse.processes.ui)
 		//TODO Check that this does not fire up the UI if we want to be headless
-		Platform.getAdapterManager().loadAdapter(new RemoteProcessImpl(null,null), 
+		//Decouple from the current Thread
+		new Thread("processes.ui adapter loader") { //$NON-NLS-1$
+			public void run() {
+				Platform.getAdapterManager().loadAdapter(new RemoteProcessImpl(null,null), 
 				"org.eclipse.rse.ui.view.ISystemViewElementAdapter"); //$NON-NLS-1$
+			}
+		}.start();
 		//others will be loaded automatically when the processes.ui plugin is activated
 	}
 
diff --git a/rse/plugins/org.eclipse.rse.subsystems.shells.core/src/org/eclipse/rse/internal/subsystems/shells/core/Activator.java b/rse/plugins/org.eclipse.rse.subsystems.shells.core/src/org/eclipse/rse/internal/subsystems/shells/core/Activator.java
index 14f243358e6..00377a0c3a2 100644
--- a/rse/plugins/org.eclipse.rse.subsystems.shells.core/src/org/eclipse/rse/internal/subsystems/shells/core/Activator.java
+++ b/rse/plugins/org.eclipse.rse.subsystems.shells.core/src/org/eclipse/rse/internal/subsystems/shells/core/Activator.java
@@ -12,6 +12,7 @@
  * 
  * Contributors:
  * Martin Oberhuber (Wind River) - [180519] declaratively register rse.shells.ui. adapter factories
+ * Martin Oberhuber (wind River) - [203105] Decouple recursive plugin activation of UI adapters
  ********************************************************************************/
 
 package org.eclipse.rse.internal.subsystems.shells.core;
@@ -46,7 +47,12 @@ public class Activator extends AbstractUIPlugin {
 		// make sure that required adapters factories are loaded 
 		//(will typically activate org.eclipse.rse.shells.ui)
 		//TODO Check that this does not fire up the UI if we want to be headless
-		Platform.getAdapterManager().loadAdapter(new RemoteOutput(null,""), "org.eclipse.rse.ui.view.ISystemViewElementAdapter"); //$NON-NLS-1$ //$NON-NLS-2$
+		//Decouple from the current Thread
+		new Thread("shells.ui adapter loader") { //$NON-NLS-1$
+			public void run() {
+				Platform.getAdapterManager().loadAdapter(new RemoteOutput(null,""), "org.eclipse.rse.ui.view.ISystemViewElementAdapter"); //$NON-NLS-1$ //$NON-NLS-2$
+			}
+		}.start();
 		// Others (IRemoteError, ShellServiceSubSystemConfigurationAdapter 
 		// will be available automatically once the shells.ui plugin is loaded
 	}