Print the exact path get_file.js is trying to write to when failing.

bootstrap/win/get_file.js

Index: bootstrap/win/get_file.js
diff --git a/bootstrap/win/get_file.js b/bootstrap/win/get_file.js
index ef0860135f17f0153e4f8eb86c43ff895a95c6c9..2561fb3c3d7972d920a964fee8ea29d65cbfa2f1 100644
--- a/bootstrap/win/get_file.js
+++ b/bootstrap/win/get_file.js
@@ -9,14 +9,14 @@ function Download(url, path, verbose) {
   try {
     xml_http = new ActiveXObject("MSXML2.ServerXMLHTTP");
   } catch (e) {
-    WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() + 
+    WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() +
         ": Cannot create Active-X object (" + e.description) + ").";
     WScript.Quit(1);
   }
   try {
     xml_http.open("GET", url, false);
   } catch (e) {
-    WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() + 
+    WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() +
         ": invalid URL.");
     WScript.Quit(1);
   }
@@ -27,7 +27,7 @@ function Download(url, path, verbose) {
   try {
     xml_http.send(null);
     if (xml_http.status != 200) {
-      WScript.StdOut.WriteLine("[-] HTTP " + xml_http.status + " " + 
+      WScript.StdOut.WriteLine("[-] HTTP " + xml_http.status + " " +
           xml_http.statusText);
       WScript.Quit(1);
     }
@@ -45,7 +45,7 @@ function Download(url, path, verbose) {
       }
     }
   } catch (e) {
-    WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() + 
+    WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() +
         ": Cannot make HTTP request (" + e.description) + ")";
     WScript.Quit(1);
   }
@@ -64,8 +64,9 @@ function Download(url, path, verbose) {
     adodb_stream.SaveToFile(path, 2); // Save to our destination
     adodb_stream.Close();
   } catch(e) {
-    WScript.StdOut.WriteLine("[-] ADODB.Stream " + new Number(
-        e.number).toHex() + ": Cannot save file (" + e.description + ")");
+    WScript.StdOut.WriteLine(
+        "[-] ADODB.Stream " + new Number(e.number).toHex() +
+        ": Cannot save file to " + path + ": " + e.description);
     WScript.Quit(1);
   }
   if (typeof(file_size) != undefined) {
@@ -83,13 +84,13 @@ function Download(url, path, verbose) {
 
 // Utilities
 Number.prototype.isInt = function NumberIsInt() {
-  return this % 1 == 0; 
+  return this % 1 == 0;
 };
 Number.prototype.toBytes = function NumberToBytes() {
   // Returns a "pretty" string representation of a number of bytes:
   var units = ["KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
   var unit = "bytes";
-  var limit = 1; 
+  var limit = 1;
   while(this > limit * 1100 && units.length > 0) {
     limit *= 1024;
     unit = units.shift();
@@ -99,11 +100,11 @@ Number.prototype.toBytes = function NumberToBytes() {
 Number.prototype.toHex = function NumberToHex(length) {
   if (arguments.length == 0) length = 1;
   if (typeof(length) != "number" && !(length instanceof Number)) {
-    throw Exception("Length must be a positive integer larger than 0.", 
+    throw Exception("Length must be a positive integer larger than 0.",
         TypeError, 0);
   }
   if (length < 1 || !length.isInt()) {
-    throw Exception("Length must be a positive integer larger than 0.", 
+    throw Exception("Length must be a positive integer larger than 0.",
         "RangeError", 0);
   }
   var result = (this + (this < 0 ? 0x100000000 : 0)).toString(16);