A dry cleaner is having issues with their computer overheating. Which of the following preventive maintenance techniques would be the BEST short-term resolution to the problem?（）

• A、Update the firmware on the machine to accommodate for higher temperatures.
• B、Use Disk Cleanup and Defrag to keep the machine from working as hard.
• C、Use a can of compressed air to clean out blocked ventilation.
• D、Relocate the machine to a cooler part of the building.