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WASHINGTON (WUSA) -- Take a good look at your credit report. There could be a mistake in it that could cost you money or keep you from getting a mortgage or a car loan.

According to a report from the Federal Trade Commission, as many as 42 million Americans have errors in their credit report.

Just to be sure, it's important to look at your credit report from all three major credit bureaus.

You can receive a free check from the government once a year online at annualcreditreport.com.