diff --git a/dep/laynii_lib.cpp b/dep/laynii_lib.cpp
index 0b5e9db..f383681 100644
--- a/dep/laynii_lib.cpp
+++ b/dep/laynii_lib.cpp
@@ -7,8 +7,8 @@
 
 void log_welcome(const char* programname) {
     cout << "======================="<< endl;
-    cout << "LAYNII v2.0   ========="<< endl;
-    cout << "Compiled for WINDOWS 64"<< endl;
+    cout << "LAYNII v1.5.5   ========="<< endl;
+//    cout << "Compiled for WINDOWS 64"<< endl;
     cout << "======================="<< endl;
     cout << programname << "\n" << endl;
 }
diff --git a/dep/nifti2_io.cpp b/dep/nifti2_io.cpp
index cee4e93..2a853e1 100644
--- a/dep/nifti2_io.cpp
+++ b/dep/nifti2_io.cpp
@@ -7797,10 +7797,10 @@ int doPigz2(nifti_image *nim, struct nifti_2_header nhdr, const nifti_brick_list
     strcat(command, nim->fname);
     strcat(command, "\"");
 	#ifdef _MSC_VER
-	if (( pigzPipe = _popen(command, "w")) == NULL)
+	if (( pigzPipe = _fopen(command, "w")) == NULL)
 		return -1;
 	#else
-	if (( pigzPipe = popen(command, "w")) == NULL)
+	if (( pigzPipe = fopen(command, "w")) == NULL)
 		return -1;		
 	#endif
 	znzFile fp;
@@ -7813,9 +7813,9 @@ int doPigz2(nifti_image *nim, struct nifti_2_header nhdr, const nifti_brick_list
     nifti_write_extensions(fp,nim);
 	nifti_write_all_data(fp,nim,NBL);
 	#ifdef _MSC_VER
-	_pclose(pigzPipe);
+	_fclose(pigzPipe);
 	#else
-	pclose(pigzPipe);		
+	fclose(pigzPipe);		
 	#endif
 	free(fp);
 	return 0;		
@@ -7829,10 +7829,10 @@ int doPigz(nifti_image *nim, struct nifti_1_header nhdr, const nifti_brick_list
     strcat(command, nim->fname);
     strcat(command, "\"");
 	#ifdef _MSC_VER
-	if (( pigzPipe = _popen(command, "w")) == NULL)
+	if (( pigzPipe = _fopen(command, "w")) == NULL)
 		return -1;
 	#else
-	if (( pigzPipe = popen(command, "w")) == NULL)
+	if (( pigzPipe = fopen(command, "w")) == NULL)
 		return -1;		
 	#endif
 	znzFile fp;
@@ -7845,9 +7845,9 @@ int doPigz(nifti_image *nim, struct nifti_1_header nhdr, const nifti_brick_list
     nifti_write_extensions(fp,nim);
 	nifti_write_all_data(fp,nim,NBL);
 	#ifdef _MSC_VER
-	_pclose(pigzPipe);
+	_fclose(pigzPipe);
 	#else
-	pclose(pigzPipe);		
+	fclose(pigzPipe);		
 	#endif
 	free(fp);
 	return 0;		
diff --git a/test_data/tests_on_windows.sh b/test_data/tests_on_windows.sh
new file mode 100755
index 0000000..5708d60
--- /dev/null
+++ b/test_data/tests_on_windows.sh
@@ -0,0 +1,35 @@
+# For internal testing. Just to check whether programs execute.
+
+..\LN2_LAYER_SMOOTH -input sc_VASO_act.nii -layer_file sc_layers.nii -FWHM 1
+..\LN_LAYER_SMOOTH -input sc_VASO_act.nii -layer_file sc_layers.nii -FWHM 0.3 -NoKissing
+
+..\LN_BOCO -Nulled lo_Nulled_intemp.nii -BOLD lo_BOLD_intemp.nii -trialBOCO 40 -shift
+..\LN_MP2RAGE_DNOISE -INV1 sc_INV1.nii -INV2 sc_INV2.nii -UNI sc_UNI.nii
+
+..\LN2_LAYERS -rim sc_rim.nii -nr_layers 10 -equivol
+
+..\LN_3DCOLUMNS -layers sc_layers_3dcolumns.nii -landmarks sc_landmarks_3dcolumns.nii
+..\LN_CORREL2FILES -file1 lo_Nulled_intemp.nii -file2 lo_BOLD_intemp.nii
+..\LN_COLUMNAR_DIST -layers sc_layers_3dcolumns.nii -landmarks sc_landmarks.nii
+..\LN_DIRECT_SMOOTH -input sc_UNI.nii -FWHM 2 -direction 3
+..\LN_EXTREMETR -input lo_BOLD_intemp.nii
+..\LN_FLOAT_ME -input lo_BOLD_intemp.nii
+..\LN_SHORT_ME -input lo_VASO_act.nii -output short.nii
+..\LN_INT_ME -input LN_INT_ME -input lo_BOLD_act.nii
+..\LN_GFACTOR -input sc_INV2.nii  -variance 1 -direction 1 -grappa 2 -cutoff 200
+..\LN_GRADSMOOTH -gradfile lo_gradT1.nii -input lo_VASO_act.nii -FWHM 1 -within -selectivity 0.1
+..\LN_GRADSMOOTH_ITER -gradfile lo_gradT1.nii -input lo_VASO_act.nii -FWHM 1 -within -selectivity 0.1
+..\LN_GROW_LAYERS -rim sc_rim.nii
+..\LN_INTPRO -image sc_UNI.nii -min -direction 2 -range 3
+..\LN_IMAGIRO -layers sc_layers_3dcolumns.nii -columns sc_columns_3dcolumns.nii -data sc_BOLD_act.nii 
+..\LN_LEAKY_LAYERS -rim lo_rim_LL.nii
+..\LN_NOISEME -input lo_VASO_act.nii -std 1
+..\LN_RAGRUG -input sc_rim.nii
+..\LN_SKEW -input lo_BOLD_intemp.nii
+..\LN_TEMPSMOOTH -input lo_BOLD_intemp.nii -box 1
+..\LN_TEMPSMOOTH -input lo_BOLD_intemp.nii -gaus 1
+..\LN_TRIAL -input lo_BOLD_intemp.nii -trialdur 20
+..\LN_ZOOM -mask sc_layers_3dcolumns.nii -input sc_UNI.nii
+..\LN_LOITUMA -equidist sc_distlay_1000.nii -leaky sc_leakylay_1000.nii -FWHM 1 -nr_layers 10
+..\LN_NOISE_KERNEL -input lo_Nulled_intemp.nii -kernel_size 7
+..\LN2_DEVEIN -layer_file lo_layers.nii -column_file lo_columns.nii -input lo_BOLD_act.nii -ALF lo_ALF.nii