Blue color filenames in Windows Explorer?

Sometimes some of your file names have turned blue.

You have nothing to worry about. The name of the file turns blue when you encypt a folder.If a file isn't used after a certain amount of days windows will compresse it to save some space. Somehow those files were set to compress. That's why it shown as blue.

• Encrypted file names are green.
• Compressed file names are blue.

Try this,

1. Open up any folder, go to Tools ->; Folder options ->; View
2. Then Scroll down
3. Disable "Show encrypted or compressed NTFS files in color" by uncheck.