diff --git a/common/content/dactyl.js b/common/content/dactyl.js
index 1bb6a68a..6b567acd 100644
--- a/common/content/dactyl.js
+++ b/common/content/dactyl.js
@@ -1296,7 +1296,7 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
         return urls.map(function (url) {
             url = url.trim();
 
-            if (/^(\.{0,2}|~)(\/|$)/.test(url)) {
+            if (/^(\.{0,2}|~)(\/|$)/.test(url) || util.OS.isWindows && /^[a-z]:/i.test(url)) {
                 try {
                     // Try to find a matching file.
                     let file = io.File(url);
diff --git a/common/content/mappings.js b/common/content/mappings.js
index e7badaa8..5ed26659 100644
--- a/common/content/mappings.js
+++ b/common/content/mappings.js
@@ -689,7 +689,7 @@ var Mappings = Module("mappings", {
             iterate: function (args, mainOnly) {
                 let modes = [this.getMode(args)];
                 if (!mainOnly)
-                    modes = modes.concat(modes[0].bases);
+                    modes = modes.concat(modes[0].allBases);
 
                 let seen = {};
                 // Bloody hell. --Kris
diff --git a/common/modules/io.jsm b/common/modules/io.jsm
index f5af1188..c2cc45ea 100644
--- a/common/modules/io.jsm
+++ b/common/modules/io.jsm
@@ -992,7 +992,10 @@ unlet s:cpo_save
                 }
             }
             if (!match || match.scheme === "resource" && match.path)
-                if (/^(\.{0,2}|~)\/|^file:/.test(context.filter) || util.getFile(context.filter) || io.isJarURL(context.filter))
+                if (/^(\.{0,2}|~)\/|^file:/.test(context.filter)
+                    || util.OS.isWindows && /^[a-z]:/i.test(url)
+                    || util.getFile(context.filter)
+                    || io.isJarURL(context.filter))
                     completion.file(context, full);
         });
     },
diff --git a/common/modules/styles.jsm b/common/modules/styles.jsm
index d267565f..69d7476a 100644
--- a/common/modules/styles.jsm
+++ b/common/modules/styles.jsm
@@ -609,9 +609,8 @@ var Styles = Module("Styles", {
                                     command: "style",
                                     arguments: [style.sites.join(",")],
                                     literalArg: style.css,
-                                    options: update({
-                                            "-group": hive.name,
-                                        },
+                                    options: update(
+                                        hive.name == "user" ? {} : { "-group": hive.name },
                                         style.name ? { "-name": style.name } : {})
                                 })))
                         .flatten().array