Notes about the ATHEME file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The ATHEME file type is primarily associated with 'Amazing clock' by Amazing-Clock.com. Amazing clock uses themes to show time on your desktop. Each theme includes a unique clock and wallpapers. After you launch the program, Amazing clock will be displayed on your desktop along with the new wallpaper, which will be set according to your current theme.