diff --git a/Sources/Plasma/PubUtilLib/plAudio/plAudioSystem.cpp b/Sources/Plasma/PubUtilLib/plAudio/plAudioSystem.cpp
index 8ef8fea4..942b68d7 100644
--- a/Sources/Plasma/PubUtilLib/plAudio/plAudioSystem.cpp
+++ b/Sources/Plasma/PubUtilLib/plAudio/plAudioSystem.cpp
@@ -785,6 +785,7 @@ void    plAudioSystem::IUpdateSoftSounds( const hsPoint3 &newPosition )
             case plSound::kStreamFromDisk:      color = plStatusLog::kYellow;   break;
             case plSound::kStreamFromRAM:       color = plStatusLog::kWhite;    break;
             case plSound::kStreamCompressed:    color = plStatusLog::kRed;      break;
+            default: break;
         }
         if(sound->GetType() == plgAudioSys::kVoice) color = 0xffff8800;
         if(sound->IsPropertySet(plSound::kPropIncidental)) color = 0xff00ffff;
diff --git a/Sources/Plasma/PubUtilLib/plAudio/plSoundEvent.cpp b/Sources/Plasma/PubUtilLib/plAudio/plSoundEvent.cpp
index 85ce334e..5f2ecffb 100644
--- a/Sources/Plasma/PubUtilLib/plAudio/plSoundEvent.cpp
+++ b/Sources/Plasma/PubUtilLib/plAudio/plSoundEvent.cpp
@@ -190,10 +190,9 @@ plSoundEvent::Types plSoundEvent::GetTypeFromCallbackMsg( plEventCallbackMsg *ms
     switch( msg->fEvent )
     {
         case ::kStart: return kStart;
-        case ::kTime: return kTime;
-        case ::kStop: return kStop;
-        case ::kLoop: return kLoop;
+        case ::kTime:  return kTime;
+        case ::kStop:  return kStop;
+        case ::kLoop:  return kLoop;
+        default:       return kStop;
     }
-
-    return kStop;
-}
\ No newline at end of file
+}
diff --git a/Sources/Plasma/PubUtilLib/plDrawable/plDynaDecalMgr.cpp b/Sources/Plasma/PubUtilLib/plDrawable/plDynaDecalMgr.cpp
index cf171989..bd94e798 100644
--- a/Sources/Plasma/PubUtilLib/plDrawable/plDynaDecalMgr.cpp
+++ b/Sources/Plasma/PubUtilLib/plDrawable/plDynaDecalMgr.cpp
@@ -737,7 +737,7 @@ void plDynaDecalMgr::IAllocAuxSpan(plAuxSpan* aux, uint32_t maxNumVerts, uint32_
 
     uint16_t* dataPtr = nil;
     grp->ReserveIndexStorage(maxNumIdx, &aux->fIBufferIdx, &aux->fIStartIdx, &dataPtr);
-    aux->fIStartIdx /* should be assigning something? */;
+    //aux->fIStartIdx /* should be assigning something? */;
 
     aux->fILength = 0;
 
diff --git a/Sources/Plasma/PubUtilLib/plGImage/plDynSurfaceWriter.cpp b/Sources/Plasma/PubUtilLib/plGImage/plDynSurfaceWriter.cpp
index 37741dae..1fb22f83 100644
--- a/Sources/Plasma/PubUtilLib/plGImage/plDynSurfaceWriter.cpp
+++ b/Sources/Plasma/PubUtilLib/plGImage/plDynSurfaceWriter.cpp
@@ -960,7 +960,6 @@ uint16_t      plDynSurfaceWriter::CalcStringWidth( const char *text, uint16_t *h
     IEnsureSurfaceUpdated();
 
 #if HS_BUILD_FOR_WIN32
-
     SIZE size;
     ::GetTextExtentPoint32( fRGBSurface.fDC, text, strlen( text ), &size );
 
@@ -968,6 +967,8 @@ uint16_t      plDynSurfaceWriter::CalcStringWidth( const char *text, uint16_t *h
         *height = (uint16_t)size.cy;
 
     return (uint16_t)size.cx;
+#else
+    return 0;
 #endif
 }
 
diff --git a/Sources/Plasma/PubUtilLib/plNetClient/plNetClientMgr.cpp b/Sources/Plasma/PubUtilLib/plNetClient/plNetClientMgr.cpp
index 649fbb2b..9aaeb366 100644
--- a/Sources/Plasma/PubUtilLib/plNetClient/plNetClientMgr.cpp
+++ b/Sources/Plasma/PubUtilLib/plNetClient/plNetClientMgr.cpp
@@ -608,7 +608,7 @@ int plNetClientMgr::Update(double secs)
 //
 void plNetClientMgr::ICheckPendingStateLoad(double secs)
 {
-    if (!fPendingLoads.empty() && GetFlagsBit( kPlayingGame ) || (GetFlagsBit(kLoadingInitialAgeState) && !GetFlagsBit(kNeedInitialAgeStateCount)))
+    if ((!fPendingLoads.empty() && GetFlagsBit(kPlayingGame)) || (GetFlagsBit(kLoadingInitialAgeState) && !GetFlagsBit(kNeedInitialAgeStateCount)))
     {
         PendingLoadsList::iterator it = fPendingLoads.begin();
         while ( it!=fPendingLoads.end() )
@@ -1198,8 +1198,8 @@ plString plNetClientMgr::GetPlayerNameById (unsigned playerId) const {
 unsigned plNetClientMgr::GetPlayerIdByName (const plString & name) const {
     // local case
     if (0 == name.Compare(NetCommGetPlayer()->playerNameAnsi))
-        NetCommGetPlayer()->playerInt;
-    
+        return NetCommGetPlayer()->playerInt;
+
     unsigned n = TransportMgr().GetNumMembers();
     for (unsigned i = 0; i < n; ++i)
         if (plNetTransportMember * member = TransportMgr().GetMember(i))
diff --git a/Sources/Plasma/PubUtilLib/plNetClient/plNetClientMgrSend.cpp b/Sources/Plasma/PubUtilLib/plNetClient/plNetClientMgrSend.cpp
index c578688a..a274d397 100644
--- a/Sources/Plasma/PubUtilLib/plNetClient/plNetClientMgrSend.cpp
+++ b/Sources/Plasma/PubUtilLib/plNetClient/plNetClientMgrSend.cpp
@@ -157,7 +157,7 @@ void plNetClientMgr::ISendCCRPetition(plCCRPetitionMsg* petMsg)
     info.AddValue( "Petition", "Language", plLocalization::GetLanguageName( plLocalization::GetLanguage() ) );
     info.AddValue( "Petition", "AcctName", NetCommGetAccount()->accountNameAnsi );
     char buffy[20];
-    sprintf( buffy, "%lu", GetPlayerID() );
+    sprintf(buffy, "%u", GetPlayerID());
     info.AddValue( "Petition", "PlayerID", buffy );
     info.AddValue( "Petition", "PlayerName", GetPlayerName() );
 
diff --git a/Sources/Plasma/PubUtilLib/plNetClient/plNetLinkingMgr.cpp b/Sources/Plasma/PubUtilLib/plNetClient/plNetLinkingMgr.cpp
index 7a767f5d..a8072fca 100644
--- a/Sources/Plasma/PubUtilLib/plNetClient/plNetLinkingMgr.cpp
+++ b/Sources/Plasma/PubUtilLib/plNetClient/plNetLinkingMgr.cpp
@@ -263,6 +263,9 @@ void plNetLinkingMgr::ExecNextOp () {
             );
         }
         break;
+
+        default:
+            break;
     }
 
     s_opqueue.remove(op);
@@ -1091,7 +1094,7 @@ uint8_t plNetLinkingMgr::IPreProcessLink(void)
                       info,
                       &childLink))
                 {
-                    case hsFail:
+                    case static_cast<uint8_t>(hsFail):
                         success = kLinkFailed;
                         break;
                     case false:
diff --git a/Sources/Plasma/PubUtilLib/plNetClient/plNetObjectDebugger.cpp b/Sources/Plasma/PubUtilLib/plNetClient/plNetObjectDebugger.cpp
index d5fbdbb2..0231cc54 100644
--- a/Sources/Plasma/PubUtilLib/plNetClient/plNetObjectDebugger.cpp
+++ b/Sources/Plasma/PubUtilLib/plNetClient/plNetObjectDebugger.cpp
@@ -286,14 +286,14 @@ void plNetObjectDebugger::LogMsgIfMatch(const char* msg) const
 
         char objName[128];
         int i=0;
-        
+
         // copy objName token
         while(*c && *c != ',' && *c != ' ' && i<127)
-            objName[i++] = *c++;    
+            objName[i++] = *c++;
         objName[i]=0;
 
         DebugObjectList::const_iterator it = fDebugObjects.begin();
-        for( objName[0]; it != fDebugObjects.end(); it++)
+        for(; it != fDebugObjects.end(); it++)
         {
             if ((*it) && (*it)->StringMatches(objName))
             {
diff --git a/Sources/Plasma/PubUtilLib/plNetCommon/plNetServerSessionInfo.cpp b/Sources/Plasma/PubUtilLib/plNetCommon/plNetServerSessionInfo.cpp
index 2827daf0..79c9f8bb 100644
--- a/Sources/Plasma/PubUtilLib/plNetCommon/plNetServerSessionInfo.cpp
+++ b/Sources/Plasma/PubUtilLib/plNetCommon/plNetServerSessionInfo.cpp
@@ -319,7 +319,7 @@ void plAgeInfoStruct::SetAgeDescription( const char * v )
 
 void plAgeInfoStruct::SetAgeLanguage( uint32_t v )
 {
-    if ( v >= 0 )
+    if (v != static_cast<uint32_t>(-1))
     {
         SetFlag( kHasAgeLanguage );
         fAgeLanguage = v;