diff --git a/NmapOps.cc b/NmapOps.cc
index a86022519..64cc0b37d 100644
--- a/NmapOps.cc
+++ b/NmapOps.cc
@@ -374,6 +374,10 @@ Npcap is available from https://npcap.com. The Npcap driver service must\n\
 be started by an administrator before Npcap can be used. Running nmap.exe\n\
 will open a UAC dialog where you can start the service if you have\n\
 administrator privileges.";
+
+#define YOU_ARE_ROOT "Npcap is installed"
+#else
+#define YOU_ARE_ROOT "you are root"
 #endif
 
 
@@ -403,15 +407,15 @@ administrator privileges.";
   }
 
  if ((pingtype & PINGTYPE_UDP) && (!isr00t)) {
-   fatal("Sorry, UDP Ping (-PU) only works if you are root (because we need to read raw responses off the wire)");
+   fatal("Sorry, UDP Ping (-PU) only works if " YOU_ARE_ROOT " (because we need to read raw responses off the wire)");
  }
 
  if ((pingtype & PINGTYPE_SCTP_INIT) && (!isr00t)) {
-   fatal("Sorry, SCTP INIT Ping (-PY) only works if you are root (because we need to read raw responses off the wire)");
+   fatal("Sorry, SCTP INIT Ping (-PY) only works if " YOU_ARE_ROOT " (because we need to read raw responses off the wire)");
   }
 
  if ((pingtype & PINGTYPE_PROTO) && (!isr00t)) {
-   fatal("Sorry, IPProto Ping (-PO) only works if you are root (because we need to read raw responses off the wire)");
+   fatal("Sorry, IPProto Ping (-PO) only works if " YOU_ARE_ROOT " (because we need to read raw responses off the wire)");
  }
 
  if (ipprotscan && (TCPScan() || UDPScan() || SCTPScan())) {
diff --git a/nmap.cc b/nmap.cc
index 523bce16c..bbc2fb0a7 100644
--- a/nmap.cc
+++ b/nmap.cc
@@ -393,7 +393,11 @@ void validate_scan_lists(scan_lists &vports, NmapOps &vo) {
 
   if (!vo.isr00t) {
     if (vo.pingtype & (PINGTYPE_ICMP_PING | PINGTYPE_ICMP_MASK | PINGTYPE_ICMP_TS)) {
+#ifdef WIN32
+      error("Warning:  Npcap not detected -- using TCP pingscan rather than ICMP");
+#else
       error("Warning:  You are not root -- using TCP pingscan rather than ICMP");
+#endif
       vo.pingtype &= ~(PINGTYPE_ICMP_PING | PINGTYPE_ICMP_MASK | PINGTYPE_ICMP_TS);
       vo.pingtype |= PINGTYPE_TCP;
       if (vports.syn_ping_count == 0) {
@@ -1567,8 +1571,13 @@ void  apply_delayed_options() {
   }
 #endif
 
-  if (o.traceroute && !o.isr00t)
+  if (o.traceroute && !o.isr00t) {
+#ifdef WIN32
+    fatal("Traceroute requires Npcap, which was not detected.");
+#else
     fatal("Traceroute has to be run as root");
+#endif
+  }
   if (o.traceroute && o.idlescan)
     fatal("Traceroute does not support idle scan");
 
@@ -1800,7 +1809,13 @@ void  apply_delayed_options() {
   if (delayed_options.raw_scan_options && (!o.isr00t || o.connectscan)) {
     error("You have specified some options that require raw socket access.\n"
           "These options will not be honored %s.",
-          o.isr00t ? "for TCP Connect scan" : "without the necessary privileges");
+          o.isr00t ? "for TCP Connect scan" :
+#ifdef WIN32
+          "since Npcap was not detected"
+#else
+          "without the necessary privileges"
+#endif
+          );
   }
 }