KPN is a Dutch telecom company that owns a U.S. patent for detecting errors in data transmission. Last year, the U.S. District Court for the District of Delaware invalidated the patent as ineligible ...

When it comes to checking errors on a hard drive, Microsoft offers the CHKDSK Tool, which does a great job. However, if, for some reason, you are looking for a 3rd-party free disk error-checking ...