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If the above steps did not help, then it seems your Mac is infected. This will bring up Quit Applications window > select the app from the list > Force Quit.
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If this doesn’t help, open Activity Monitor.Look for the app icon (Adobe Acrobat Reader DC) in the Dock.To force quit an active or frozen app from macOS, follow the steps below: If the program is in use or any PDF file will be opened, you cannot delete it. > Adobe Acrobat Reader DC still appear when trying to open a PDF fileīefore we start explaining the ways to delete Adobe Acrobat DC, remember to quit Adobe Acrobat Reader. > Adobe Acrobat Reader DC cannot be moved to the trash as it is open Adobe Acrobat Reader DC leftovers scatter around and are hard to locate
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