America Online – AOLACSD.EXE

Aolacsd.exe is the AOL Connectivity Service. It will install with AOL 9.0 and provides connectivity for AOL Products. The file may also appear as acsd.exe. We've seen some reports of this program using all available system resources. If your system slows down, rebooting may help. Removing or disabling this file is not recommended as it may result in your losing your connection with AOL.

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America Online (AOL)