Jonathan Blow criticized the VLC media player for significant performance issues, specifically a 33-second delay in loading MP3 files, and announced his intention to switch to Microsoft Media Player. The VideoLAN team responded, attributing the delays to a known issue with Microsoft’s Windows Defender antivirus software, which quarantines the VLC plugin cache. They suggested users could resolve the issue by reinstalling VLC or regenerating the plugin cache. VLC has been downloaded over 6 billion times across various platforms. Microsoft Defender has been known to cause false positives and interfere with third-party applications. Some users have found success using alternative antivirus solutions like Bitdefender Antivirus Free to avoid conflicts with VLC. Additionally, there are suggestions that using VLC for MP3 playback may not be practical, and switching to Microsoft Media Player is viewed unfavorably compared to alternatives like Foobar2000.