The next step is to look for this "QuickLookUIService" service, do note that you need to find the one with the keyword "(Finder)". Search QuickLookUIService (Finder)
Step 3: Force Quit Process / Service
Once you have locate it do press the Force Quit to restart the Service. Force Quit the Service
Final and Preview
Now when you press the spacebar you will be able to see the "Quick Preview" of the image / other files from your finder. Image Quick Preview with Spacebar
Alaz
Week-end developer currently experimenting with web, mobile, and all things programming.
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