Numerous users, through several OS´s, have reported problems with the MacTCP DNR file being corrupted; the file will suddenly be named with garbage characters. No cause for this has ever been determined, but if it´s happening to you, try this for an until-the-next-time fix: Drag the MacTCP DNR file to the trash, but don´t empty it. Restart your Mac. A new DNR file will be created by the system, an you can then flush your old one.

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