|Debugging Tools for Windows|
The PP1_INITIALIZATION_FAILED bug check has a value of 0x00000090. This bug check indicates that the Plug and Play (PnP) manager could not be initialized.
An error occurred during Phase 1 initialization of the kernel-mode PnP manager.
Phase 1 is where most of the initialization is done, including setting up the registry files and other environment settings for drivers to call during the subsequent I/O initialization.