[core] add a retry when writing ISO files

* Closes #176
* Also fix a crash when displaying an error message (MSG_043 requires a parameter)
* Also display an informative message on interfering security solutions when writing an autorun.inf
* Also revert x64 MSVC target to non-XP so that it can be used for Code Analysis

src/icon.c

@@ -171,6 +171,8 @@ BOOL SetAutorun(const char* path)
 	fd = fopen(filename, "w, ccs=UTF-16LE");
 	if (fd == NULL) {
 		uprintf("Unable to create %s\n", filename);
+		uprintf("NOTE: This may be caused by a poorly designed security solution. "
+			"See http://rufus.akeo.ie/compatibility.");
 		return FALSE;
 	}