diff --git a/meshcore/agentcore.c b/meshcore/agentcore.c
index 79396d7..7ed381a 100644
--- a/meshcore/agentcore.c
+++ b/meshcore/agentcore.c
@@ -3492,7 +3492,7 @@ void MeshServer_ConnectEx(MeshAgentHostContainer *agent)
 void MeshServer_DbWarning(ILibSimpleDataStore db, uint64_t size, void *user)
 {
 	MeshAgentHostContainer *agent = (MeshAgentHostContainer*)user;
-	MeshAgent_sendConsoleText(agent->meshCoreCtx, "Database Size Warning: [%u bytes]", size);
+	MeshAgent_sendConsoleText(agent->meshCoreCtx, "Database Size Warning: [%llu bytes]", size);
 }
 void MeshServer_Connect(MeshAgentHostContainer *agent)
 {
diff --git a/meshcore/meshinfo.c b/meshcore/meshinfo.c
index fde5a46..2e913da 100644
--- a/meshcore/meshinfo.c
+++ b/meshcore/meshinfo.c
@@ -366,47 +366,47 @@ int info_GetLocalInterfaces(char* data, int maxdata)
 		if (ioctl(sockfd, SIOCGIFFLAGS, ifr)) continue; // Failed
 		if (memcmp(ifr->ifr_name, "lo", 3) == 0) continue; // Loopback
 
-		if (adapterCount > 0) { ptr += snprintf(data + ptr, maxdata - ptr, ","); }
-		ptr += snprintf(data + ptr, maxdata - ptr, "{");
+		if (adapterCount > 0) { ptr += sprintf_s(data + ptr, maxdata - ptr, ","); }
+		ptr += sprintf_s(data + ptr, maxdata - ptr, "{");
 
 		// Get the name of the interface
-		ptr += snprintf(data + ptr, maxdata - ptr, "\"name\":\"%s\"", ifr->ifr_name);
+		ptr += sprintf_s(data + ptr, maxdata - ptr, "\"name\":\"%s\"", ifr->ifr_name);
 
 		// Get the FQDN (DNS Suffix)
 		j = info_GetDefaultFqdn(ifr->ifr_name, &gateway);
-		if (j > 0) { ptr += snprintf(data + ptr, maxdata - ptr, ",\"dnssuffix\":\"%s\"", gateway); }
+		if (j > 0) { ptr += sprintf_s(data + ptr, maxdata - ptr, ",\"dnssuffix\":\"%s\"", gateway); }
 		if (gateway != NULL) { free(gateway); gateway = NULL; }
 
 		// Get the Default Gateway IP address
 		j = info_GetDefaultGateway(ifr->ifr_name, &gateway);
-		if (j == 4) { ILibInet_ntop(AF_INET, gateway, temp, 1024); ptr += snprintf(data + ptr, maxdata - ptr, ",\"v4gateway\":\"%s\"", temp); }
+		if (j == 4) { ILibInet_ntop(AF_INET, gateway, temp, 1024); ptr += sprintf_s(data + ptr, maxdata - ptr, ",\"v4gateway\":\"%s\"", temp); }
 		if (gateway != NULL) { free(gateway); gateway = NULL; }
 
 		// Get the Default Gateway MAC address
 		j = info_GetHwAddress(temp, strlen(temp), &gateway);
-		if (j == 6) { ptr += snprintf(data + ptr, maxdata - ptr, ",\"gatewaymac\":\"%02x%02x%02x%02x%02x%02x\"", (unsigned char)gateway[0], (unsigned char)gateway[1], (unsigned char)gateway[2], (unsigned char)gateway[3], (unsigned char)gateway[4], (unsigned char)gateway[5]); }
+		if (j == 6) { ptr += sprintf_s(data + ptr, maxdata - ptr, ",\"gatewaymac\":\"%02x%02x%02x%02x%02x%02x\"", (unsigned char)gateway[0], (unsigned char)gateway[1], (unsigned char)gateway[2], (unsigned char)gateway[3], (unsigned char)gateway[4], (unsigned char)gateway[5]); }
 		if (gateway != NULL) free(gateway);
 
 		// Attempt to figure out the interface type
 		j = 0;
 		if (strlen(ifr->ifr_name) > 3 && memcmp(ifr->ifr_name, "eth", 3) == 0) { j = 6; }
 		//if (strlen(ifr->ifr_name) > 2 && memcmp(ifr->ifr_name, "wl", 2) == 0) { j = 6; } // TODO: Wireless
-		if (j > 0) { ptr += snprintf(data + ptr, maxdata - ptr, ",\"type\":\"%d\"", j); }
+		if (j > 0) { ptr += sprintf_s(data + ptr, maxdata - ptr, ",\"type\":\"%d\"", j); }
 
 		// Get the hardware MAC address
 		if (ioctl(sockfd, SIOCGIFHWADDR, ifr) == 0) {
 			if (ifr->ifr_hwaddr.sa_family == 1) {
-				ptr += snprintf(data + ptr, maxdata - ptr, ",\"mac\":\"%02x%02x%02x%02x%02x%02x\"", (unsigned char)ifr->ifr_hwaddr.sa_data[0], (unsigned char)ifr->ifr_hwaddr.sa_data[1], (unsigned char)ifr->ifr_hwaddr.sa_data[2], (unsigned char)ifr->ifr_hwaddr.sa_data[3], (unsigned char)ifr->ifr_hwaddr.sa_data[4], (unsigned char)ifr->ifr_hwaddr.sa_data[5]);
+				ptr += sprintf_s(data + ptr, maxdata - ptr, ",\"mac\":\"%02x%02x%02x%02x%02x%02x\"", (unsigned char)ifr->ifr_hwaddr.sa_data[0], (unsigned char)ifr->ifr_hwaddr.sa_data[1], (unsigned char)ifr->ifr_hwaddr.sa_data[2], (unsigned char)ifr->ifr_hwaddr.sa_data[3], (unsigned char)ifr->ifr_hwaddr.sa_data[4], (unsigned char)ifr->ifr_hwaddr.sa_data[5]);
 			}
 		}
 
 		// Get the IP address
-		if (ioctl(sockfd, SIOCGIFADDR, ifr) == 0) { ptr += snprintf(data + ptr, maxdata - ptr, ",\"v4addr\":\"%s\"", inet_ntoa(((struct sockaddr_in*)(&(ifr->ifr_addr)))->sin_addr)); }
+		if (ioctl(sockfd, SIOCGIFADDR, ifr) == 0) { ptr += sprintf_s(data + ptr, maxdata - ptr, ",\"v4addr\":\"%s\"", inet_ntoa(((struct sockaddr_in*)(&(ifr->ifr_addr)))->sin_addr)); }
 
 		// Get the subnet mask
-		if (ioctl(sockfd, SIOCGIFNETMASK, ifr) == 0) { ptr += snprintf(data + ptr, maxdata - ptr, ",\"v4mask\":\"%s\"", inet_ntoa(((struct sockaddr_in*)(&(ifr->ifr_addr)))->sin_addr)); }
+		if (ioctl(sockfd, SIOCGIFNETMASK, ifr) == 0) { ptr += sprintf_s(data + ptr, maxdata - ptr, ",\"v4mask\":\"%s\"", inet_ntoa(((struct sockaddr_in*)(&(ifr->ifr_addr)))->sin_addr)); }
 
-		ptr += snprintf(data + ptr, maxdata - ptr, "}");
+		ptr += sprintf_s(data + ptr, maxdata - ptr, "}");
 		adapterCount++;
 	}
 
diff --git a/microscript/ILibDuktape_GenericMarshal.c b/microscript/ILibDuktape_GenericMarshal.c
index 61dae19..8527079 100644
--- a/microscript/ILibDuktape_GenericMarshal.c
+++ b/microscript/ILibDuktape_GenericMarshal.c
@@ -1389,7 +1389,7 @@ duk_ret_t ILibDuktape_GenericMarshal_MethodInvokeAsync_thread_id(duk_context *ct
 	if (!ILibMemory_CanaryOK(data)) { return(ILibDuktape_Error(ctx, "FFI Object was already freed")); }
 
 	char tmp[255];
-	sprintf_s(tmp, sizeof(tmp), "%ul", data->workerThreadId);
+	sprintf_s(tmp, sizeof(tmp), "%llu", (uint64_t)data->workerThreadId);
 	duk_push_string(ctx, tmp);
 	return(1);
 	
@@ -1561,7 +1561,7 @@ void ILibDuktape_GlobalGenericCallback_ProcessEx(void *chain, void *user)
 	if (!ILibMemory_CanaryOK(data->emitter)) { return; }
 
 	char tmp[255];
-	sprintf_s(tmp, sizeof(tmp), "%ul", data->callingThread);
+	sprintf_s(tmp, sizeof(tmp), "%llu", (uint64_t)data->callingThread);
 	duk_push_heapptr(data->emitter->ctx, data->emitter->object);										// [obj]
 	duk_push_string(data->emitter->ctx, tmp);														    // [obj][str]
 	duk_put_prop_string(data->emitter->ctx, -2, ILibDuktape_GenericMarshal_GlobalCallback_ThreadID);	// [obj]
@@ -2121,7 +2121,7 @@ duk_ret_t ILibDuktape_GenericMarshal_GetCurrentThread(duk_context *ctx)
 #if defined(WIN32)
 	sprintf_s(tmp, sizeof(tmp), "%ul", GetCurrentThreadId());
 #else
-	sprintf_s(tmp, sizeof(tmp), "%ul", pthread_self());
+	sprintf_s(tmp, sizeof(tmp), "%llu", pthread_self());
 #endif
 	duk_push_string(ctx, tmp);
 	return(1);
diff --git a/microscript/ILibDuktape_HttpStream.c b/microscript/ILibDuktape_HttpStream.c
index da0c8fc..402ccaf 100644
--- a/microscript/ILibDuktape_HttpStream.c
+++ b/microscript/ILibDuktape_HttpStream.c
@@ -4390,7 +4390,7 @@ duk_ret_t ILibDuktape_http_generateNonce(duk_context *ctx)
 	}
 	else
 	{
-		return(ILibDuktape_Error(ctx, "Specified length is too long. Please Specify a value < %d", sizeof(ILibScratchPad)));
+		return(ILibDuktape_Error(ctx, "Specified length is too long. Please Specify a value < %llu", (uint64_t)sizeof(ILibScratchPad)));
 	}
 }
 
diff --git a/microscript/ILibDuktape_SHA256.c b/microscript/ILibDuktape_SHA256.c
index 21bdcc5..bb35732 100644
--- a/microscript/ILibDuktape_SHA256.c
+++ b/microscript/ILibDuktape_SHA256.c
@@ -303,7 +303,7 @@ void ILibDuktape_VERIFIER_EndSink(ILibDuktape_WritableStream *stream, void *user
 			// Error
 			duk_get_prop_string(data->ctx, -1, "_rej");													// [promise][rejector]
 			duk_swap_top(data->ctx, -2);																// [rejector][this]
-			duk_push_sprintf(data->ctx, "EVP_VerifyFinal(): Returned error (%d) ", ERR_get_error());	// [rejector][this][error]
+			duk_push_sprintf(data->ctx, "EVP_VerifyFinal(): Returned error (%llu) ", (uint64_t)ERR_get_error());	// [rejector][this][error]
 			duk_call_method(data->ctx, 1);																// [...]
 			break;
 	}
diff --git a/microscript/ILibDuktape_fs.c b/microscript/ILibDuktape_fs.c
index dbf58d8..9fa033d 100644
--- a/microscript/ILibDuktape_fs.c
+++ b/microscript/ILibDuktape_fs.c
@@ -414,7 +414,7 @@ duk_ret_t ILibDuktape_fs_readSync(duk_context *ctx)
 	int bytesRead;
 	FILE *f = ILibDuktape_fs_getFilePtr(ctx, duk_require_int(ctx, 0));
 
-	if (length > (int)bufferSize) { return(ILibDuktape_Error(ctx, "fs.readSync(): Buffer of size: %d bytes, but attempting to read %d bytes", bufferSize, length)); }
+	if (length > (int)bufferSize) { return(ILibDuktape_Error(ctx, "fs.readSync(): Buffer of size: %llu bytes, but attempting to read %d bytes", (uint64_t)bufferSize, length)); }
 
 	if (f != NULL)
 	{