When I try to use the Firefox browser on my Windows 8.1 PC, I get the error message, “Windows cannot access the specified device, path, or file. You may not have the appropriate permission to access the item.” I have to click OK to get rid of this message, then click the Firefox icon again to reach the internet. What can I do to fix this? — Mike Malinowski, New Orleans

Several things can cause that error message, including troublesome Firefox add-on programs, a flaw in the Firefox installation on your PC or a Windows settings issue. Because you are able to open Firefox on the second try, I suspect either of the first two items may be causing your problem.

Steve Alexander covers technology for the Minneapolis Star Tribune. Readers may write to him at Tech Q&A, 425 Portland Ave. S., Minneapolis, Minn. 55488-0002; email: steve.j.alexander@gmail.com. Please include a full name, city and phone number.

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