The cyclic redundancy check (CRC) error message is one that appears when a corruption or suspicious change is detected in data on storage devices and networks. Here's how it appears and how to fix it.

The error can occur when a computer tries to read data on a local drive, a network drive, an external hard drive, and on disk drives such as those used for reading CDs, DVDs, and Blu-ray discs.

The cyclic redundancy check error message usually looks like this:

There are numerous situations that can cause a CRC error to occur when using a computer, ranging from a corrupted file or program registry to errors in file and settings configuration and faulty installations of apps or programs.