24 Sep, 2026

Microsoft: September updates break audio on some Windows PCs

Microsoft has confirmed that USB audio devices may fail on some Windows systems after installing the KB5124008 and KB5124012 September 2026 security updates. This known issue affects only devices running Windows 11, version 24H2 or later, and is limited to USB Audio Class 1.0 devices. “After installing the September 8, 2026, Windows security update [..], […]

1 min read

New Chirp tool uses audio tones to send messages between devices

A new open-source tool named ‘Chirp’ transmits data, such as text messages, between computers (and smartphones) through different audio tones. The tool, developed by cybersecurity researcher solst/ICE, maps each character into a specific sound frequency and plays it along with real-time visualization. Other microphone-equipped computers running Chirp may capture the sound and translate the message back into […]

2 mins read

Windows 11 24H2 upgrades blocked on some PCs due to audio issues

Microsoft has added another Windows 11 24H2 upgrade block for systems with Dirac audio improvement software due to compatibility issues breaking sound output. This known issue only affects PCs with cridspapo.dll, and it causes applications to stop detecting audio devices connected to affected devices. “The incompatibility relates to the software component cridspapo.dll, which is part […]

2 mins read