diff --git a/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp b/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp
index 345dd80bc..6e978cd80 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/configfile.cpp
@@ -722,11 +722,28 @@ bool CConfigFile::shouldCreateMenuShortcut() const
 	return !shortcut.isEmpty() && !NLMISC::CFile::isExists(qToUtf8(shortcut));
 }
 
-QString CConfigFile::getInstallerFullPath() const
+QString CConfigFile::getInstallerCurrentFilePath() const
 {
+	// installer is always run from TEMP under Windows
+	return QApplication::applicationFilePath();
+}
+
+QString CConfigFile::getInstallerCurrentDirPath() const
+{
+	// installer is always run from TEMP under Windows
 	return QApplication::applicationDirPath();
 }
 
+QString CConfigFile::getInstallerOriginalFilePath() const
+{
+	return getInstallerOriginalDirPath() + "/" + QFileInfo(QApplication::applicationFilePath()).fileName();
+}
+
+QString CConfigFile::getInstallerOriginalDirPath() const
+{
+	return m_installationDirectory;
+}
+
 QString CConfigFile::getInstallerMenuLinkFullPath() const
 {
 #ifdef Q_OS_WIN32
diff --git a/code/ryzom/tools/client/ryzom_installer/src/configfile.h b/code/ryzom/tools/client/ryzom_installer/src/configfile.h
index 058e5c475..b2a4ae7e5 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/configfile.h
+++ b/code/ryzom/tools/client/ryzom_installer/src/configfile.h
@@ -113,7 +113,11 @@ public:
 
 	QString getClientArch() const;
 
-	QString getInstallerFullPath() const;
+	QString getInstallerCurrentFilePath() const;
+	QString getInstallerCurrentDirPath() const;
+	QString getInstallerOriginalFilePath() const;
+	QString getInstallerOriginalDirPath() const;
+
 	QString getInstallerMenuLinkFullPath() const;
 
 	QStringList getInstallerRequiredFiles() const;
diff --git a/code/ryzom/tools/client/ryzom_installer/src/main.cpp b/code/ryzom/tools/client/ryzom_installer/src/main.cpp
index 481c15bff..2e4ad5481 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/main.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/main.cpp
@@ -120,6 +120,24 @@ int main(int argc, char *argv[])
 		return 1;
 	}
 
+#if defined(Q_OS_WIN) && !defined(_DEBUG)
+	// under Windows, Ryzom Installer should always be copied in TEMP directory
+	QString tempPath = QStandardPaths::writableLocation(QStandardPaths::TempLocation);
+
+	// check if launched from TEMP directory
+	if (step == Done && QApplication::applicationDirPath() != tempPath)
+	{
+		// copy installer and required files to TEMP directory
+		if (copyInstallerFiles(config.getInstallerRequiredFiles(), tempPath))
+		{
+			QString tempFile = tempPath + "/" + QFileInfo(QApplication::applicationFilePath()).fileName();
+
+			// launch copy in TEMP directory with same arguments
+			if (QProcess::startDetached(tempFile, QApplication::arguments())) return 0;
+		}
+	}
+#endif
+
 	// use product name from ryzom_installer.ini
 	if (!config.getProductName().isEmpty()) QApplication::setApplicationName(config.getProductName());
 
@@ -141,23 +159,6 @@ int main(int argc, char *argv[])
 
 	if (parser.isSet(uninstallOption))
 	{
-#if defined(Q_OS_WIN) && !defined(_DEBUG)
-		QString tempPath = QStandardPaths::writableLocation(QStandardPaths::TempLocation);
-
-		// check if launched from TEMP directory
-		if (QApplication::applicationDirPath() != tempPath)
-		{
-			// copy installer and required files to TEMP directory
-			if (copyInstallerFiles(config.getInstallerRequiredFiles(), tempPath))
-			{
-				QString tempFile = tempPath + "/" + QFileInfo(QApplication::applicationFilePath()).fileName();
-
-				// launch copy in TEMP directory with same arguments
-				if (QProcess::startDetached(tempFile, QApplication::arguments())) return 0;
-			}
-		}
-#endif
-
 		SComponents components;
 
 		// add all servers by default
diff --git a/code/ryzom/tools/client/ryzom_installer/src/operationdialog.cpp b/code/ryzom/tools/client/ryzom_installer/src/operationdialog.cpp
index c706dba84..da7a2f52d 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/operationdialog.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/operationdialog.cpp
@@ -1135,7 +1135,7 @@ void COperationDialog::deleteComponentsInstaller()
 		dir.removeRecursively();
 	}
 
-	path = config->getInstallerFullPath();
+	path = config->getInstallerOriginalDirPath();
 	QStringList files = config->getInstallerRequiredFiles();
 
 	foreach(const QString &file, files)
@@ -1143,7 +1143,7 @@ void COperationDialog::deleteComponentsInstaller()
 		QString fullPath = path + "/" + file;
 
 		// delete file
-		if (!QFile::remove(fullPath))
+		if (QFile::exists(fullPath) && !QFile::remove(fullPath))
 		{
 #ifdef Q_OS_WIN32
 			// under Windows, a running executable is locked, so we need to delete it later