diff --git a/deploy/data/FortFirewall.exe.example.ini b/deploy/data/FortFirewall.exe.example.ini
index 96a8d2fc..63271e92 100644
--- a/deploy/data/FortFirewall.exe.example.ini
+++ b/deploy/data/FortFirewall.exe.example.ini
@@ -4,6 +4,7 @@
 ;Fort Firewall global configuration
 
 ;ATTENTION: Use slashes as path separator (C:/path/to/directory/)!!!
+; Environment variables (e.g. %TEMP%) are different for Service and UI processes!
 
 [global]
 
@@ -43,7 +44,7 @@
 
 ;Directory to store Fort Firewall's update.
 ;Default is "<cacheDir>".
-;updateDir=%TEMP%/Fort Firewall
+;updateDir=%SystemRoot%/Temp/Fort Firewall
 
 ;Force debug output.
 ;forceDebug=true
diff --git a/src/ui/manager/autoupdatemanager.cpp b/src/ui/manager/autoupdatemanager.cpp
index 4b44be99..81e0e48b 100644
--- a/src/ui/manager/autoupdatemanager.cpp
+++ b/src/ui/manager/autoupdatemanager.cpp
@@ -150,7 +150,8 @@ void AutoUpdateManager::setupByTaskInfo(TaskInfoUpdateChecker *taskInfo)
     const QFileInfo fi(installerPath());
     const bool downloaded = (fi.exists() && fi.size() == m_downloadSize);
 
-    qCDebug(LC) << "Check:" << taskInfo->version() << "downloaded:" << downloaded;
+    qCDebug(LC) << "Check:" << taskInfo->version() << "downloaded:" << downloaded
+                << "path:" << fi.filePath();
 
     setIsDownloaded(downloaded);
 }