Microsoft has released the KB5075039 Windows Recovery Environment update for Windows 10 to fix a long-standing issue that prevented some users from accessing the Recovery environment.

The Windows Recovery Environment (WinRE) is a minimal troubleshooting environment used to repair or restore the operating system after it fails to start, to diagnose crashes, or to remove malware.

In October 2025, Microsoft confirmed that the KB5066835 Patch Tuesday updates broke USB mouse and keyboard input when using the Windows 11 Recovery Environment, making it difficult for many to use the troubleshooting tool.