diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index 38837a8cc..83495217c 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -100,6 +100,13 @@ void LLStandardBumpmap::restoreGL()
 // static
 void LLStandardBumpmap::addstandard()
 {
+	if(!gTextureList.isInitialized())
+	{
+		//Note: loading pre-configuration sometimes triggers this call.
+		//But it is safe to return here because bump images will be reloaded during initialization later.
+		return ;
+	}
+
 	// can't assert; we destroyGL and restoreGL a lot during *first* startup, which populates this list already, THEN we explicitly init the list as part of *normal* startup.  Sigh.  So clear the list every time before we (re-)add the standard bumpmaps.
 	//llassert( LLStandardBumpmap::sStandardBumpmapCount == 0 );
 	clear();
@@ -891,6 +898,11 @@ void LLBumpImageList::destroyGL()
 
 void LLBumpImageList::restoreGL()
 {
+	if(!gTextureList.isInitialized())
+	{
+		//safe to return here because bump images will be reloaded during initialization later.
+		return ;
+	}
 	LLStandardBumpmap::restoreGL();
 	// Images will be recreated as they are needed.
 }
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp
index 78d983025..89e316e59 100644
--- a/indra/newview/llviewertexturelist.cpp
+++ b/indra/newview/llviewertexturelist.cpp
@@ -87,13 +87,16 @@ LLViewerTextureList::LLViewerTextureList()
 	: mForceResetTextureStats(FALSE),
 	mUpdateStats(FALSE),
 	mMaxResidentTexMemInMegaBytes(0),
-	mMaxTotalTextureMemInMegaBytes(0)
+	mMaxTotalTextureMemInMegaBytes(0),
+	mInitialized(FALSE)
 {
 }
 
 void LLViewerTextureList::init()
 {
+	mInitialized = TRUE ;
 	sNumImages = 0;
+	mUpdateStats = TRUE;
 	mMaxResidentTexMemInMegaBytes = 0;
 	mMaxTotalTextureMemInMegaBytes = 0 ;
 	if (gNoRender)
@@ -102,8 +105,6 @@ void LLViewerTextureList::init()
 		return;
 	}
 	
-	mUpdateStats = TRUE;
-	
 	// Update how much texture RAM we're allowed to use.
 	updateMaxResidentTexMem(0); // 0 = use current
 	
@@ -115,6 +116,10 @@ void LLViewerTextureList::doPreloadImages()
 {
 	LL_DEBUGS("ViewerImages") << "Preloading images..." << LL_ENDL;
 	
+	llassert_always(mInitialized) ;
+	llassert_always(mImageList.empty()) ;
+	llassert_always(mUUIDMap.empty()) ;
+
 	// Set the "missing asset" image
 	LLViewerFetchedTexture::sMissingAssetImagep = LLViewerTextureManager::getFetchedTextureFromFile("missing_asset.tga", MIPMAP_NO, LLViewerFetchedTexture::BOOST_UI);
 	
@@ -286,6 +291,8 @@ void LLViewerTextureList::shutdown()
 	mUUIDMap.clear();
 	
 	mImageList.clear();
+
+	mInitialized = FALSE ; //prevent loading textures again.
 }
 
 void LLViewerTextureList::dump()
@@ -312,6 +319,7 @@ void LLViewerTextureList::destroyGL(BOOL save_state)
 
 void LLViewerTextureList::restoreGL()
 {
+	llassert_always(mInitialized) ;
 	LLImageGL::restoreGL();
 }
 
@@ -332,6 +340,11 @@ LLViewerFetchedTexture* LLViewerTextureList::getImageFromFile(const std::string&
 												   LLGLenum primary_format, 
 												   const LLUUID& force_id)
 {
+	if(!mInitialized)
+	{
+		return NULL ;
+	}
+
 	std::string full_path = gDirUtilp->findSkinnedFilename("textures", filename);
 	if (full_path.empty())
 	{
@@ -352,6 +365,11 @@ LLViewerFetchedTexture* LLViewerTextureList::getImageFromUrl(const std::string&
 												   LLGLenum primary_format, 
 												   const LLUUID& force_id)
 {
+	
+	if(!mInitialized)
+	{
+		return NULL ;
+	}
 	if (gNoRender)
 	{
 		// Never mind that this ignores image_set_id;
@@ -418,6 +436,11 @@ LLViewerFetchedTexture* LLViewerTextureList::getImage(const LLUUID &image_id,
 												   LLGLenum primary_format,
 												   LLHost request_from_host)
 {
+	if(!mInitialized)
+	{
+		return NULL ;
+	}
+
 	// Return the image with ID image_id
 	// If the image is not found, creates new image and
 	// enqueues a request for transmission
@@ -846,7 +869,7 @@ F32 LLViewerTextureList::updateImagesFetchTextures(F32 max_time)
 	for (entries_list_t::iterator iter3 = entries.begin();
 		 iter3 != entries.end(); )
 	{
-		LLPointer<LLViewerFetchedTexture> imagep = *iter3++;
+		LLViewerFetchedTexture* imagep = *iter3++;
 		
 		bool fetching = imagep->updateFetch();
 		if (fetching)
diff --git a/indra/newview/llviewertexturelist.h b/indra/newview/llviewertexturelist.h
index 39fea0b75..cabaa6764 100644
--- a/indra/newview/llviewertexturelist.h
+++ b/indra/newview/llviewertexturelist.h
@@ -90,6 +90,7 @@ public:
 	void dump();
 	void destroyGL(BOOL save_state = TRUE);
 	void restoreGL();
+	BOOL isInitialized() const {return mInitialized;}
 
 	LLViewerFetchedTexture *findImage(const LLUUID &image_id);
 
@@ -196,6 +197,7 @@ private:
 	// simply holds on to LLViewerFetchedTexture references to stop them from being purged too soon
 	std::set<LLPointer<LLViewerFetchedTexture> > mImagePreloads;
 
+	BOOL mInitialized ;
 	BOOL mUpdateStats;
 	S32	mMaxResidentTexMemInMegaBytes;
 	S32 mMaxTotalTextureMemInMegaBytes;