diff -up GabeditSrc248/src/Display/PovrayGL.c.strlen GabeditSrc248/src/Display/PovrayGL.c

--- GabeditSrc248/src/Display/PovrayGL.c.strlen	2013-10-30 13:46:50.000000000 +0100

+++ GabeditSrc248/src/Display/PovrayGL.c	2014-02-16 17:18:06.320077560 +0100

@@ -1671,7 +1671,8 @@ static void exportPOVRay(GtkWidget* Win,

 		gint i;

 		if(tmp) l = strlen(tmp);

 		for(i=l-1;i>=1;i--) if(tmp[i]=='.') tmp[i]='\0';

-		if(dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

+		if(!dirName) dirName = g_strdup(g_get_current_dir());

+		if(dirName && dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

 		{

 			fileNamePOV = g_strdup_printf("%s%s%s.pov",dirName, G_DIR_SEPARATOR_S,tmp);

 			fileNameIMG = g_strdup_printf("%s%s%s.bmp",dirName, G_DIR_SEPARATOR_S,tmp);

diff -up GabeditSrc248/src/Geometry/Povray.c.strlen GabeditSrc248/src/Geometry/Povray.c

--- GabeditSrc248/src/Geometry/Povray.c.strlen	2013-10-30 13:46:51.000000000 +0100

+++ GabeditSrc248/src/Geometry/Povray.c	2014-02-16 17:18:06.320077560 +0100

@@ -1158,7 +1158,8 @@ static void exportPOVRay(GtkWidget* Win,

 		gint i;

 		if(tmp) l = strlen(tmp);

 		for(i=l-1;i>=1;i--) if(tmp[i]=='.') tmp[i]='\0';

-		if(dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

+		if(!dirName) dirName = g_strdup(g_get_current_dir());

+		if(dirName && dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

 		{

 			fileNamePOV = g_strdup_printf("%s%s%s.pov",dirName, G_DIR_SEPARATOR_S,tmp);

 			fileNameIMG = g_strdup_printf("%s%s%s.bmp",dirName, G_DIR_SEPARATOR_S,tmp);

diff -up GabeditSrc248/src/SemiEmpirical/SemiEmpiricalDlg.c.strlen GabeditSrc248/src/SemiEmpirical/SemiEmpiricalDlg.c

--- GabeditSrc248/src/SemiEmpirical/SemiEmpiricalDlg.c.strlen	2013-10-30 13:46:50.000000000 +0100

+++ GabeditSrc248/src/SemiEmpirical/SemiEmpiricalDlg.c	2014-02-16 17:18:06.322077567 +0100

@@ -1064,6 +1064,7 @@ static void runSemiEmpirical(GtkWidget*

 	{

 		gchar* dirName = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER(buttonDirSelector));

 		gchar* tmp = g_strdup(gtk_entry_get_text(GTK_ENTRY(entryFileName)));

+		if(!dirName) dirName = g_strdup(g_get_home_dir());

 		if(dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

 			fileName = g_strdup_printf("%s%s%s",dirName, G_DIR_SEPARATOR_S,tmp);

 		else

@@ -3651,7 +3652,8 @@ static void semiEmpiricalMDConfo(GtkWidg

 	{

 		dirName = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER(buttonDirSelector));

 		gchar* tmp = g_strdup(gtk_entry_get_text(GTK_ENTRY(entryFileNameGeom)));

-		if(dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

+		if(!dirName) dirName = g_strdup(g_get_current_dir());

+		if(dirName && dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

 			fileNameGeom = g_strdup_printf("%s%s%s",dirName, G_DIR_SEPARATOR_S,tmp);

 		else

 			fileNameGeom = g_strdup_printf("%s%s",dirName, tmp);

@@ -3669,7 +3671,8 @@ static void semiEmpiricalMDConfo(GtkWidg

 	{

 		if(!dirName) dirName = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER(buttonDirSelector));

 		gchar* tmp = g_strdup(gtk_entry_get_text(GTK_ENTRY(entryFileNameTraj)));

-		if(dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

+		if(!dirName) dirName = g_strdup(g_get_current_dir());

+		if(dirName && dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

 			fileNameTraj = g_strdup_printf("%s%s%s",dirName, G_DIR_SEPARATOR_S,tmp);

 		else

 			fileNameTraj = g_strdup_printf("%s%s",dirName, tmp);

@@ -3681,7 +3684,8 @@ static void semiEmpiricalMDConfo(GtkWidg

 	{

 		if(!dirName) dirName = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER(buttonDirSelector));

 		gchar* tmp = g_strdup(gtk_entry_get_text(GTK_ENTRY(entryFileNameProp)));

-		if(dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

+		if(!dirName) dirName = g_strdup(g_get_current_dir());

+		if(dirName && dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

 			fileNameProp = g_strdup_printf("%s%s%s",dirName, G_DIR_SEPARATOR_S,tmp);

 		else

 			fileNameProp = g_strdup_printf("%s%s",dirName, tmp);

@@ -3925,10 +3929,11 @@ static void semiEmpiricalMD(GtkWidget* W

 	if(stepSize>5) stepSize = 5.0;

 	dirName = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER(buttonDirSelector));

+	if(!dirName) dirName = g_strdup(g_get_current_dir());

 	if(GTK_TOGGLE_BUTTON (buttonSaveTraj)->active)

 	{

 		gchar* tmp = g_strdup(gtk_entry_get_text(GTK_ENTRY(entryFileNameTraj)));

-		if(dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

+		if(dirName && dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

 			fileNameTraj = g_strdup_printf("%s%s%s",dirName, G_DIR_SEPARATOR_S,tmp);

 		else

 			fileNameTraj = g_strdup_printf("%s%s",dirName, tmp);

@@ -3938,7 +3943,7 @@ static void semiEmpiricalMD(GtkWidget* W

 	if(GTK_TOGGLE_BUTTON (buttonSaveProp)->active)

 	{

 		gchar* tmp = g_strdup(gtk_entry_get_text(GTK_ENTRY(entryFileNameProp)));

-		if(dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

+		if(dirName && dirName[strlen(dirName)-1] != G_DIR_SEPARATOR)

 			fileNameProp = g_strdup_printf("%s%s%s",dirName, G_DIR_SEPARATOR_S,tmp);

 		else

 			fileNameProp = g_strdup_printf("%s%s",dirName, tmp);