diff --git a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsPbufferWGLDrawable.java b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsPbufferWGLDrawable.java
index 5d925fe..775e293 100644
--- a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsPbufferWGLDrawable.java
+++ b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsPbufferWGLDrawable.java
@@ -123,7 +123,7 @@
         final WGLExt wglExt = ((WindowsWGLContext)sharedResource.getContext()).getWGLExt();
 
         if (DEBUG) {
-            System.out.println(getThreadName()+": Pbuffer config: " + config);
+            System.err.println(getThreadName()+": Pbuffer config: " + config);
         }
 
         final int winattrPbuffer = GLGraphicsConfigurationUtil.getExclusiveWinAttributeBits(false /* onscreen */, false /* fbo */, true /* pbuffer */, false /* bitmap */);
@@ -138,8 +138,8 @@
         final AbstractGraphicsDevice device = config.getScreen().getDevice();
 
         if (DEBUG) {
-          System.out.println(getThreadName()+": Pbuffer parentHdc = " + toHexString(sharedHdc));
-          System.out.println(getThreadName()+": Pbuffer chosenCaps: " + chosenCaps);
+          System.err.println(getThreadName()+": Pbuffer parentHdc = " + toHexString(sharedHdc));
+          System.err.println(getThreadName()+": Pbuffer chosenCaps: " + chosenCaps);
         }
 
         if( !WindowsWGLGraphicsConfiguration.GLCapabilities2AttribList( sharedResource, chosenCaps,
@@ -162,7 +162,7 @@
         if (DEBUG) {
           System.err.println("" + nformats + " suitable pixel formats found");
           for (int i = 0; i < nformats; i++) {
-            final WGLGLCapabilities dbgCaps = WindowsWGLGraphicsConfiguration.wglARBPFID2GLCapabilities(sharedResource, device, glProfile,
+            final WGLGLCapabilities dbgCaps = WindowsWGLGraphicsConfiguration.wglARBPFID2GLCapabilitiesNoCheck(sharedResource, device, glProfile,
                                           sharedHdc, pformats.get(i), winattrPbuffer);
             System.err.println("pixel format " + pformats.get(i) + " (index " + i + "): " + dbgCaps);
           }
diff --git a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfiguration.java b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfiguration.java
index 24d44b5..0dde1ad 100644
--- a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfiguration.java
+++ b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfiguration.java
@@ -321,6 +321,25 @@
         }
         return AttribList2GLCapabilities(device, glp, hdc, pfdID, iattributes, niattribs, iresults, winattrbits);
     }
+    
+	static WGLGLCapabilities wglARBPFID2GLCapabilitiesNoCheck(final WindowsWGLDrawableFactory.SharedResource sharedResource,
+			final AbstractGraphicsDevice device, final GLProfile glp, final long hdc, final int pfdID,
+			final int winattrbits) {
+		if (!sharedResource.hasARBPixelFormat()) {
+			return null;
+		}
+
+		final IntBuffer iattributes = Buffers.newDirectIntBuffer(2 * MAX_ATTRIBS);
+		final IntBuffer iresults = Buffers.newDirectIntBuffer(2 * MAX_ATTRIBS);
+		final int niattribs = fillAttribsForGeneralWGLARBQuery(sharedResource, iattributes);
+
+		if (!((WindowsWGLContext) sharedResource.getContext()).getWGLExt().wglGetPixelFormatAttribivARB(hdc, pfdID, 0,
+				niattribs, iattributes, iresults)) {
+			throw new GLException("wglARBPFID2GLCapabilities: Error getting pixel format attributes for pixel format "
+					+ pfdID + " of device context " + toHexString(hdc) + ", werr " + GDI.GetLastError());
+		}
+		return AttribList2GLCapabilitiesNoCheck(device, glp, hdc, pfdID, iattributes, niattribs, iresults, winattrbits);
+	}
 
     static int[] wglChoosePixelFormatARB(final WindowsWGLDrawableFactory.SharedResource sharedResource, final AbstractGraphicsDevice device,
                                          final GLCapabilitiesImmutable capabilities,
@@ -396,7 +415,7 @@
                         break;
                     }
                 } else if(DEBUG) {
-                    final GLCapabilitiesImmutable skipped = AttribList2GLCapabilities(device, glp, hdc, pfdIDs[i], iattributes, niattribs, iresults, GLGraphicsConfigurationUtil.ALL_BITS);
+                    final GLCapabilitiesImmutable skipped = AttribList2GLCapabilitiesNoCheck(device, glp, hdc, pfdIDs[i], iattributes, niattribs, iresults, GLGraphicsConfigurationUtil.ALL_BITS);
                     System.err.println("wglARBPFIDs2GLCapabilities: bucket["+i+" -> skip]: pfdID "+pfdIDs[i]+", "+skipped+", winattr "+GLGraphicsConfigurationUtil.winAttributeBits2String(null, winattrbits).toString());
                 }
             } else if (DEBUG) {
@@ -560,10 +579,39 @@
             }
             // non displayable requested (pbuffer)
         }
+		if (/*
+			 * (GLGraphicsConfigurationUtil.BITMAP_BIT & drawableTypeBits) != 0
+			 * &&
+			 *//*
+				 * GLRendererQuirks.existStickyDeviceQuirk(device,
+				 * GLRendererQuirks.NoPBufferWithAccum) &&
+				 */(pfd.getCAccumAlphaBits() != 0 || pfd.getCAccumRedBits() != 0 || pfd.getCAccumGreenBits() != 0 || pfd
+				.getCAccumBlueBits() != 0)) {
+			return null;
+		}
+        
         final WGLGLCapabilities res = new WGLGLCapabilities(pfd, pfdID, glp);
         res.setValuesByARB(iattribs, niattribs, iresults);
         return (WGLGLCapabilities) GLGraphicsConfigurationUtil.fixWinAttribBitsAndHwAccel(device, drawableTypeBits, res);
     }
+    
+	static WGLGLCapabilities AttribList2GLCapabilitiesNoCheck(final AbstractGraphicsDevice device, final GLProfile glp,
+			final long hdc, final int pfdID, final IntBuffer iattribs, final int niattribs, final IntBuffer iresults,
+			final int winattrmask) {
+		final int allDrawableTypeBits = AttribList2DrawableTypeBits(iattribs, niattribs, iresults);
+		int drawableTypeBits = winattrmask & allDrawableTypeBits;
+
+		if (0 == drawableTypeBits) {
+			return null;
+		}
+		final PIXELFORMATDESCRIPTOR pfd = createPixelFormatDescriptor();
+
+		WGLUtil.DescribePixelFormat(hdc, pfdID, PIXELFORMATDESCRIPTOR.size(), pfd);
+		final WGLGLCapabilities res = new WGLGLCapabilities(pfd, pfdID, glp);
+		res.setValuesByARB(iattribs, niattribs, iresults);
+		return (WGLGLCapabilities) GLGraphicsConfigurationUtil
+				.fixWinAttribBitsAndHwAccel(device, drawableTypeBits, res);
+	}
 
     //
     // GDI PIXELFORMAT
@@ -624,6 +672,13 @@
                 return null;
             }
         }
+        if (/* (GLGraphicsConfigurationUtil.BITMAP_BIT & drawableTypeBits) != 0 && *//*(GLRendererQuirks.existStickyDeviceQuirk(device, GLRendererQuirks.NoPBufferWithAccum)) &&*/ (pfd.getCAccumAlphaBits() != 0 || pfd.getCAccumRedBits() != 0 || pfd.getCAccumGreenBits() != 0 || pfd.getCAccumBlueBits() != 0) ) {
+    	    if(DEBUG) {
+    	    	System.err.println("Quirks: " + GLRendererQuirks.getStickyDeviceQuirks(device) + " on device " + device);
+                System.err.println("Drop [accum bits PBUFFER]: " + WGLGLCapabilities.PFD2String(pfd, pfdID));
+            }
+    	    return null;
+        }
 
         final WGLGLCapabilities res = new WGLGLCapabilities(pfd, pfdID, glp);
         res.setValuesByGDI();
diff --git a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfigurationFactory.java b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfigurationFactory.java
index ea92b38..03d14f7 100644
--- a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfigurationFactory.java
+++ b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfigurationFactory.java
@@ -521,9 +521,13 @@
                 if( 0 <= chosenIdx ) {
                     if( _skipCapsChooser ) {
                         final WGLGLCapabilities caps = WindowsWGLGraphicsConfiguration.PFD2GLCapabilities(device, glProfile, hdc, chosenPFDID, winattrmask);
-                        availableCaps.add(caps);
-                        recommendedIndex = 0;
-                        skipCapsChooser = true;
+                        if(null != caps) {
+                            availableCaps.add(caps);
+                            recommendedIndex = 0;
+                            skipCapsChooser = true;
+                        } else {
+                        	skipCapsChooser = false;
+                        }
                     } else {
                         skipCapsChooser = false;
                     }