diff --git a/app/cmTimeLine.c b/app/cmTimeLine.c
index eed95b0..6757c6f 100644
--- a/app/cmTimeLine.c
+++ b/app/cmTimeLine.c
@@ -271,9 +271,9 @@ _cmTlObj_t* _cmTlFindRecdBefore( _cmTl_t* p, const _cmTlObj_t* np )
 
   // calc the absolute time of this object
   //int         absSmpIdx = _cmTlStartTime(np->obj);
-  int         rsi;
-  _cmTlObj_t* rp        = NULL;
-  _cmTlObj_t* op        = p->seq[np->obj->seqId].first;
+  int         rsi = 0;
+  _cmTlObj_t* rp  = NULL;
+  _cmTlObj_t* op  = p->seq[np->obj->seqId].first;
 
   //printf("type:%i %i\n",np->obj->typeId,absSmpIdx);
 
diff --git a/cmAudioPort.c b/cmAudioPort.c
index 7df6367..92987d4 100644
--- a/cmAudioPort.c
+++ b/cmAudioPort.c
@@ -51,6 +51,10 @@ cmAp_t* _ap = NULL;
 
 cmApRC_t      _cmApIndexToDev( unsigned devIdx, cmApDriver_t** drvPtrPtr, unsigned* devIdxPtr )
 {
+  assert( drvPtrPtr != NULL && devIdxPtr != NULL );
+  *drvPtrPtr = NULL;
+  *devIdxPtr = cmInvalidIdx;
+
   unsigned i;
   for(i=0; i<_ap->drvCnt; ++i)
     if( _ap->drvArray[i].begDevIdx != cmInvalidIdx )
@@ -204,8 +208,8 @@ unsigned cmApDeviceCount()
 
 const char*   cmApDeviceLabel( unsigned devIdx )
 {
-  cmApDriver_t* dp;
-  unsigned      di;
+  cmApDriver_t* dp = NULL;
+  unsigned      di = cmInvalidIdx;
   cmApRC_t      rc;
 
   if( devIdx == cmInvalidIdx )
@@ -233,8 +237,8 @@ unsigned      cmApDeviceLabelToIndex( const cmChar_t* label )
 
 unsigned      cmApDeviceChannelCount(   unsigned devIdx, bool inputFl )
 {
-  cmApDriver_t* dp;
-  unsigned      di;
+  cmApDriver_t* dp = NULL;
+  unsigned      di = cmInvalidIdx;
   cmApRC_t      rc;
 
   if( devIdx == cmInvalidIdx )
@@ -248,8 +252,8 @@ unsigned      cmApDeviceChannelCount(   unsigned devIdx, bool inputFl )
 
 double        cmApDeviceSampleRate(     unsigned devIdx )
 {
-  cmApDriver_t* dp;
-  unsigned      di;
+  cmApDriver_t* dp = NULL;
+  unsigned      di = cmInvalidIdx;
   cmApRC_t      rc;
 
   if((rc = _cmApIndexToDev(devIdx,&dp,&di)) != kOkApRC )
@@ -260,8 +264,8 @@ double        cmApDeviceSampleRate(     unsigned devIdx )
 
 unsigned      cmApDeviceFramesPerCycle( unsigned devIdx, bool inputFl )
 {
-  cmApDriver_t* dp;
-  unsigned      di;
+  cmApDriver_t* dp = NULL;
+  unsigned      di = cmInvalidIdx;
   cmApRC_t      rc;
 
   if( devIdx == cmInvalidIdx )
diff --git a/cmPgmOpts.c b/cmPgmOpts.c
index 6e3ab56..735c388 100644
--- a/cmPgmOpts.c
+++ b/cmPgmOpts.c
@@ -856,6 +856,9 @@ cmPoRC_t  _cmPgmOptIndexToPtr( _cmPo_t* p, unsigned idx, const _cmPoArg_t** app
   unsigned          n = 0;
   const _cmPoArg_t* a = p->args;
 
+  assert(app != NULL );
+  *app = NULL;
+
   while( a != NULL && n < idx )
   {
     ++n;
@@ -872,28 +875,31 @@ cmPoRC_t  _cmPgmOptIndexToPtr( _cmPo_t* p, unsigned idx, const _cmPoArg_t** app
   
 unsigned cmPgmOptNumId( cmPgmOptH_t h, unsigned argIdx )
 {
-  const _cmPoArg_t* a;
+  const _cmPoArg_t* a = NULL;
   cmPoRC_t          rc;
   if((rc = _cmPgmOptIndexToPtr(_cmPoHandleToPtr(h),argIdx,&a)) != kOkPoRC )
     return cmInvalidId;
+  assert( a != NULL );
   return a->opt->numId;
 }
 
 unsigned cmPgmOptCharId( cmPgmOptH_t h, unsigned argIdx )
 {
-  const _cmPoArg_t* a;
+  const _cmPoArg_t* a = NULL;
   cmPoRC_t          rc;
   if((rc = _cmPgmOptIndexToPtr(_cmPoHandleToPtr(h),argIdx,&a)) != kOkPoRC )
     return cmInvalidId;
+  assert(a != NULL );
   return a->opt->charId;
 }
 
 const cmChar_t* cmPgmOptWordId( cmPgmOptH_t h, unsigned argIdx )
 {
-  const _cmPoArg_t* a;
+  const _cmPoArg_t* a = NULL;
   cmPoRC_t          rc;
   if((rc = _cmPgmOptIndexToPtr(_cmPoHandleToPtr(h),argIdx,&a)) != kOkPoRC )
     return NULL;
+  assert(a!=NULL);
   return a->opt->wordId;
 }
 
diff --git a/cmProc4.c b/cmProc4.c
index 9c9f1a3..1f12643 100644
--- a/cmProc4.c
+++ b/cmProc4.c
@@ -2437,8 +2437,8 @@ void cmScMatcherPrint( cmScMatcher* p )
     // if this result did not match a score event
     if( cmIsFlag(rp->flags,kSmFalsePosFl) )
     {
-      unsigned            d_min;
-      cmScMatcherPrint_t* dp = NULL;
+      unsigned            d_min    = 0;
+      cmScMatcherPrint_t* dp       = NULL;
       unsigned            scLocIdx = cmInvalidIdx;
 
       // if this result does not have a valid locIdx 
@@ -3942,6 +3942,8 @@ cmRC_t  _cmScModGetParam( cmScModulator* p, const cmScModParam_t* pp, double* va
   switch( pp->pid )
   {
     case kInvalidModPId:
+      rc  = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "An invalid parameter was encountered.");
+      goto errLabel;
       break;
 
     case kLiteralModPId:
@@ -4059,7 +4061,7 @@ bool  _cmScModExec( cmScModulator* p, cmScModVar_t* vp )
     case kSetLineModTId:
     case kLineModTId:
       {
-        double v1, td;
+        double v1=0, td=0;
 
         // get the target value
         if((rc = _cmScModGetParam(p,&vp->entry->end,&v1)) != cmOkRC) 
diff --git a/cmRtSys.c b/cmRtSys.c
index 425168d..60e030a 100644
--- a/cmRtSys.c
+++ b/cmRtSys.c
@@ -1464,7 +1464,9 @@ void cmRtSysTest( cmCtx_t* ctx, int argc, const char* argv[] )
   cmRtSysStatus_t status;
   _cmRtTestCbRecd    cbRecd = {1000.0,0,48000.0,0};
   cmRpt_t* rpt = &ctx->rpt;
-  
+  memset(&status,0,sizeof(status));
+
+
   unsigned meterMs = 50;
   unsigned ssCnt = 1;
   unsigned rtSubIdx = 0;