Index: packagemanagercore_p.cpp
===================================================================
--- packagemanagercore_p.cpp	(revision 6807)
+++ packagemanagercore_p.cpp	(working copy)
@@ -598,7 +598,22 @@
 
 QString PackageManagerCorePrivate::installerBinaryPath() const
 {
-    return qApp->applicationFilePath();
+    QString ret = qApp->applicationFilePath();
+
+#ifdef Q_OS_WIN32
+    ret = QDir::toNativeSeparators(ret);
+    DWORD dwBufferLength = 1024;
+    WCHAR buffer[1024];
+    UNIVERSAL_NAME_INFO * unameinfo = (UNIVERSAL_NAME_INFO *) &buffer;
+    DWORD dwRetVal = WNetGetUniversalName(
+                reinterpret_cast<const wchar_t *>(ret.utf16()),
+                UNIVERSAL_NAME_INFO_LEVEL, (LPVOID) unameinfo, &dwBufferLength);
+
+    if (dwRetVal == NO_ERROR)
+        ret = QString::fromUtf16(reinterpret_cast<const ushort *>(unameinfo->lpUniversalName), dwBufferLength);
+#endif
+
+    return ret;
 }
 
 bool PackageManagerCorePrivate::isInstaller() const