diff --git a/PIVlab_GUI.m b/PIVlab_GUI.m
index 7321179c..27d8e478 100644
--- a/PIVlab_GUI.m
+++ b/PIVlab_GUI.m
@@ -122,7 +122,7 @@ function PIVlab_GUI(desired_num_cores,batch_session_file)
 		ctr=0;
 		pivFiles = {'+acquisition' '+calibrate' '+export' '+extract' '+gui' '+import' '+mask' '+misc' '+piv' '+plot' '+postproc' '+preproc' '+roi' '+simulate' '+validate' '+wOFV' 'OptimizationSolvers' 'PIVlab_capture_resources'};
 		for i=1:size(pivFiles,2)
-			if exist(pivFiles{1,i},'dir')~=7
+			if exist(fullfile(tempfilepath,pivFiles{1,i}),'dir')~=7
 				disp(['ERROR: A required package folder was not found: ' pivFiles{1,i}]);
 				disp('Press any key to continue... (but remember, PIVlab won''t work like this...)')
 				beep;commandwindow;pause
diff --git a/PIVlab_capture_resources/PIVlab_capture_lensconfig.mat b/PIVlab_capture_resources/PIVlab_capture_lensconfig.mat
index 4acb99ad..d966a39f 100644
Binary files a/PIVlab_capture_resources/PIVlab_capture_lensconfig.mat and b/PIVlab_capture_resources/PIVlab_capture_lensconfig.mat differ
diff --git a/PIVlab_settings_default.mat b/PIVlab_settings_default.mat
index 276fc716..f72293e2 100644
Binary files a/PIVlab_settings_default.mat and b/PIVlab_settings_default.mat differ