Users of VLC on Windows 11 have experienced delays of up to 33 seconds for MP3 playback due to a bug in Microsoft Defender that interferes with VLC's plugin cache. VideoLAN has clarified that this issue is not a reflection of VLC's reliability. Affected users can resolve the problem by adding the VLC folder as an exception in Windows Defender or by regenerating the plugin cache. Jonathan Blow, a game developer, highlighted the issue in a tweet, prompting discussions about the state of open-source software. Other users have reported similar delays, even on Windows 10. VideoLAN emphasized that the problem lies with Microsoft Defender, not with VLC itself.