Any bug you could encounter when using Linux is usually not related to LinuxLive USB Creator. LinuxLive USB Creator does not modify any system files.
So if you encounter some bugs in Linux, first thing to do is to read your Linux Live CD user's guide.
The next thing to do if you did not find any answer, is to search your Linux's help forums and to post a thread about your problem.
If you encounter any bug or crash when using LinuxLive USB Creator, use the Bugs & Requests menu item to submit a report.
Do not forget to search the database to avoid redundant bug reports. Please attach your log file when creating a new bug report.