diff -Naur live-0.2.0.org/grab.cpp live-0.2.0/grab.cpp
--- live-0.2.0.org/grab.cpp	2007-05-29 11:50:21.000000000 -0400
+++ live-0.2.0/grab.cpp	2008-10-14 12:04:10.000000000 -0400
@@ -44,6 +44,19 @@
 
 bool GrabImageTask::GrabImage()
 {
+	FILE *fp;
+	char cw_system[10];
+	strcpy(cw_system,"");  /* clear filename */
+	if ((fp = fopen("/var/state/video", "r")) != NULL) {
+		fgets(cw_system, 10, fp);
+		fclose(fp);
+	}
+		if(strstr(cw_system, "xxmc")) {
+		SetError( tr("System is using xxmc") );
+		return false;
+	}
+
+
 	cDevice* device = cDevice::PrimaryDevice();
 	if ( device == 0 ) {
 		SetError( tr("Couldn't aquire primary device") );