A: PCBooster Free Disk Cleaner can tidy up your computer's hard drive and enjoy noticeably improved system performance. With just a few simple clicks, you can remove the clutter, free up valuable disk space, and have your computer running like new again.

A: It depends on how often you use your computer, what programs you use, and whether you use Internet. Naturally, the more you use your computer, the more often you should clean your disks. You should perform cleaning often, if you use Internet.

A: Click "Options" and choose "Advanced" tab. You can see "File exceptions" & "Directory exceptions". Click "Add" button to add a file or a directory to the exception list.

A: Yes, it is safe. However, you need to make sure that all patches have already been installed before you do this.

A: No it isn't. PCBooster Free Disk Cleaner does not make any changes to settings of interaction with the system.

A: Startup includes the time it takes to load Windows, and start any other scheduled programs. If your PC is taking longer at startup than it used to, it may be that there are too many programs scheduled to run at that time. There are a few items which are important, and should always run at startup. These include various Windows processes, anti-virus and other security software and programs that you use every day.

A: You can try plugging in the memory/flash stick into another port and try again. However some brands may not be recognized. Please try a different brand of USB stick. A generic or no-name brand works best.

A: Symbol used to replace or represent one or more characters. Wildcards or wild characters are either an asterisk (*), which represents one or more characters or question mark (?), which represents a single character. In the below examples of how a wildcard may be used, realize that wildcards are relatively universal. This means an example in DOS is similar to how it would be used in Linux, with the exception being that the command may be different.

A: The Windows Database is a huge database for all the programs, processes and events that occur in Windows. Every option, setting and preference for Windows applications is referenced through the Windows database, along with options and configurations for hardware. As a central hub for Windows activities, the healthy operation of the Windows Database is absolutely crucial. An error here can have drastic effects throughout your system. Many kinds of errors and junk data may clutter up your Windows Database if you do not clean them up in time.

A: PCBooster Free Disk Cleaner supports the cleaning of Internet Explorer, Google Chrome, Mozilla Firefox, Safari and Opera.