# Fix PC problems
Avoids system errors and PC crashes by identifying and cleaning up problem files.
# Speed up your computer
Removes hidden files that do nothing but take up space and slow down your computer.
# Three Ways to do the Main Scan
The main scan of A1 Cleaner can be done in one of three ways:
* A1Click Technology Clean PC
With one click of a button, A1Click Ultra PC Cleaner goes through 45 processes to safely find and remove clutter on your computer. Some of these processes find useless, outdated files which Windows loves to hoard.
* A1Click Technology Remove Tracks
With the click of another button, A1Click Ultra PC Cleaner utilizes 25 processes of the latest technology to find Windows' secret records of your activity and remove them. This prevents others from spying on you. Some of these processes have yet to be discovered by other software.
* A1Click Technology Do-It-Yourself
A1Click Ultra PC Cleaner allows you to build your own assortment of 87 processes to clean and remove tracks on your computer. Once set up, these can be run with one easy click. This is called Run Settings in the program.