When Windows boots up, a lot of things happen, including the loading of a lot of processes and applications. If any of these processes get stuck, Windows will either fail to load or load very slowly.

If you see the error System Configuration cannot save the original boot configuration for later restoration. Boot Changes will be reverted. The handle is invalid, you ...

Very old versions of Windows had a utility called Wincfg that allowed users to make advanced configuration changes to system files that affected boot options and system settings. More recent versions ...