High CPU Usage Solution - phaticusthiccy/Telegram-Activity GitHub Wiki
For Windows Devices
After starting the program, open the 'Task Manager' application using 'CTRL + Shift + Esc' keys.
Find the python.exe process in the Details tab here. Right-click on the process and set the process priority to Low from the Set priority section. (The program will do this for you automatically. If the program cannot do the operation, you can edit it manually with the help article you read here!)