--- a/xneur/lib/ai/detection.c	Thu Nov 20 15:40:07 2014 +0300
+++ a/xneur/lib/ai/detection.c	Fri Dec 12 16:44:50 2014 +0300
@@ -273,7 +273,10 @@ 
 		if (handle->languages[lang].disable_auto_detection || handle->languages[lang].excluded)
 		{
 			if (possible_words != NULL)
+			{
 				free (possible_words);
+				possible_words = NULL;
+			}
 			if (word != NULL)
 				free(word);
 			continue;
@@ -284,7 +287,10 @@ 
 		if ((word_len > 250) || (word_len < 2))
 		{
 			if (possible_words != NULL)
+			{
 				free (possible_words);
+				possible_words = NULL;
+			}
 			if (word != NULL)
 				free(word);
 			continue;
@@ -305,7 +311,10 @@ 
 		if (!handle->has_enchant_checker[lang])
 		{
 			if (possible_words != NULL)
+			{
 				free (possible_words);
+				possible_words = NULL;
+			}
 			if (word != NULL)
 				free(word);
 			continue;
@@ -336,7 +345,10 @@ 
 		if (!handle->has_spell_checker[lang])
 		{
 			if (possible_words != NULL)
+			{
 				free (possible_words);
+				possible_words = NULL;
+			}
 			if (word != NULL)
 				free(word);
 			continue;
@@ -345,7 +357,10 @@ 
 		if (! suggestions)
 		{
 			if (possible_words != NULL)
+			{
 				free (possible_words);
+				possible_words = NULL;
+			}
 			if (word != NULL)
 				free(word);
 			continue;
--- a/xneur/lib/main/program.c	Thu Nov 20 15:40:07 2014 +0300
+++ a/xneur/lib/main/program.c	Fri Dec 12 16:44:50 2014 +0300
@@ -1414,7 +1414,8 @@ 
 	if (!word)
 		return FALSE;
 
-	if ((p->buffer->content[p->buffer->cur_pos-1] == ' ') ||
+	if ((p->buffer->cur_pos <= 0) ||
+	    (p->buffer->content[p->buffer->cur_pos-1] == ' ') ||
 	    (p->buffer->content[p->buffer->cur_pos-1] == 0) || // Nothing word
 		(p->buffer->content[p->buffer->cur_pos-1] == 13) || // Enter
 	    (p->buffer->content[p->buffer->cur_pos-1] == 11))   // Tab
--- a/xneur/lib/notify/sound.c	Thu Nov 20 15:40:07 2014 +0300
+++ a/xneur/lib/notify/sound.c	Fri Dec 12 16:44:50 2014 +0300
@@ -302,7 +302,7 @@ 
 
 	static const char *program_name = "aplay";
 
-	char *command = malloc((strlen(path) + strlen(program_name) + 1) * sizeof(char));
+	char *command = malloc((strlen(path) + strlen(program_name) + 2) * sizeof(char));
 	sprintf(command, "%s %s", program_name, path);
 	if (system(command) == -1)
 		log_message(ERROR, _("Can't execute command '%s'"), command);