Free up drive space in Windows - Microsoft Support
: Even legitimate-looking "cleaners" can sometimes be filled with adware or unwanted programs that slow down your system instead of speeding it up. How to Investigate "Jadda's Cleaner.exe" Jadda's Cleaner.exe
: In many cases, "cleaner.exe" is not a core Windows file. If it is located in a user's AppData folder rather than Program Files , it is often rated as highly dangerous . Free up drive space in Windows - Microsoft