Wpprecorder.sys Windows 10 1803 Jun 2026

The April 2018 Update (1803) introduced significant changes to the kernel and driver management, including enhancements to the WPP (Windows Software Trace Preprocessor) infrastructure. Unfortunately, these changes introduced a series of regressions.

When this crash occurs, your system will halt and display common stop codes such as SYSTEM_THREAD_EXCEPTION_NOT_HANDLED , UNEXPECTED_KERNEL_MODE_TRAP , or DRIVER_UNLOADED_WITHOUT_CANCELLING_PENDING_OPERATIONS pointing directly to WppRecorder.sys . This step-by-step guide covers what this file does, why it fails on Version 1803, and how to permanently resolve the issue. What is Wpprecorder.sys? Wpprecorder.sys Windows 10 1803