--- a/cinst/windowsstore.c	Sat Mar 29 15:19:45 2014 +0100
+++ b/cinst/windowsstore.c	Mon Mar 31 08:02:46 2014 +0000
@@ -185,8 +185,27 @@
   return;
 }
 
+static bool is_elevated() {
+    HANDLE hToken = NULL;
+    bool ret = false;
+    if (OpenProcessToken (GetCurrentProcess(), TOKEN_QUERY, &hToken))
+      {
+        TOKEN_ELEVATION elevation;
+        DWORD cbSize = sizeof (TOKEN_ELEVATION);
+        if (GetTokenInformation (hToken, TokenElevation, &elevation,
+                                 sizeof (TokenElevation), &cbSize))
+          {
+            ret = elevation.TokenIsElevated;
+          }
+      }
+    if (hToken)
+      CloseHandle (hToken);
+
+    return ret;
+}
+
 int
-write_stores_win (char **to_install, char **to_remove, bool user_store)
+write_stores_win (char **to_install, char **to_remove)
 {
   HCERTSTORE hStore = NULL;
 
@@ -196,7 +215,7 @@
       return 0;
     }
 
-  if (user_store)
+  if (!is_elevated())
     {
       hStore = CertOpenStore (CERT_STORE_PROV_SYSTEM, 0,
                               0, CERT_SYSTEM_STORE_CURRENT_USER, L"Root");