"We've isolated the problem, it appears to be coming from somewhere between your keyboard and the back of your chair."
But I also create stuff using Teradata, Excel, MySQL, Tableau, etc.
As others have said, suspect the fan belt. Check the belt where it would rub against the pulleys - if it's shiny, it needs replacing.
Also, dead critters (or pedestrians) in the grill can impede airflow through the radiator - remove them.