Sometimes your converter is outputting the FLAC files in an incorrect format; it could be restricted codec support or incorrect settings on your current tool. Many simple converters are unable to detect high-quality formats such as FLAC fully and will give errors or start converting the audio in an undesired format. To alleviate this problem, you can using Softaken Audio Video Converter, a reliable software that recognizes file formats accurately without degrading quality. It supports all popular audio and video formats, such as FLAC, MP3, WAV, M4A, AAC, and more. Its easy-to-use interface allows you to choose a format, quality settings, and even batch convert multiple files at once. All Windows supported, there is also a free demo version, so you can test the software for yourself before making a substantial commitment to the upgrade.