-FOR /R %%a IN (*.sln) DO msbuild /p:Configuration=%1 INSTALL.vcproj
-FOR /R %%a IN (*.sln) DO msbuild /p:Configuration=%1 PACKAGE.vcproj
-copy %2*.exe ../Result_Installers/
-cd ..
+msbuild /p:Configuration=%1 INSTALL.vcproj
+msbuild /p:Configuration=%1 PACKAGE.vcproj
+copy %2*.exe %3\Result_Installers\