Intel machines and computers with USB 3.0 ports are unaffected. It’s possible to get clicks and pops if streaming audio when also sending/receiving large amounts of MIDI data when the interface is connected to a USB 2.0 port on an AMD-based machine.

For a Pro Tools | First optimised driver, please see the Focusrite Help Centre.

This driver is not optimised for use with Pro Tools | First.

Microsoft Windows updates may show an error regarding driver signing/not. If you do not want to fully update Windows 7, the exact Microsoft update needed can be found HERE. Focusrite Scarlett Solo Studio 1st Gen USB Audio Interface ASIO Driver 4.36.5. To resolve this, simply fully update your copy of Windows 7.

Some Windows 7 PCs that do not have the latest Microsoft Windows updates may show an error regarding driver signing/not available.

Fixed an issue with combined MIDI and Audio streaming at low buffer sizes Known issues:.

ASIO Control Panel retains buffer size/sample rate between disconnects/restarts.

Fixed an issue that could cause audio dropouts/distortion after a long period of time.

Updated USB Driver 4.36.4 Available for Focusrite Scarlett Interfaces Updated USB Driver 4.36.4 Available for Focusrite Scarlett Interfaces looks like they were posted June 14th? so maybe this is old news Changes since the last release (4.15):

Windows: focusrite usb asio 4.36.5