My blog reader experienced "lost disk space" on his 18 GB pen-drive while recording videos on MultiTV. He deleted every information on it but still no space. What he had to format the device but the same problem persist so he emailed me for solution. I gave him how to resolve it and perfectly worked. I therefore, decided that I will share with you this trick on this blog since most of you may be experiencing same problem.
==>Download and install free disk partition utility - MiniTool Partition Wizard Home Edition.
==>Plug-in your USB disk and start MiniTool Partition Wizard,
==>selected the correct USB disk and right-click it and
==>select the Format option.==>click the Apply button to start the format process.