Answer to "other files are listed but I cannot delete them from manage files"Before this issue did you encounter errors copying or writing files in this drive? if so this drive may be failing or have smart issue, download free drive program testing programs such speedfan or hd tune and install it in you pc after that attached the mybook to your desktop and run iether of the above program and check you disk smart status of your drive if its failing then it maybe time for drive replacement, if its just warning then you can use checkdisk to repair your drive for any file error after the scan disconnect the drive and reconnect again and try to do reformat, ensure to turn off any av programs running in the backgrounds.
Answer to "My laptop is running slowly, what should I do?"Its been a while but hope that my response would be beneficial for others who may face the same issue as the author. If all of the above software and malware removal and cleaning wont work then you may want to check the integrity of your hard drive, delays and bad blocks can cause your system to boot up slowly. download speedfan http://www.almico.com/speedfan.phpand install the software to check on your system temperature and SMART attribute of your drive, its very simple and easy to use, for details you can check :http://www.almico.com/sfscreenshots.php for details.