What does this mean?
Windows detected your registry file is still in use by other applications or services. The file will be unloaded now. The applications or services that hold your registry file may not function properly afterwards.
1 user registry handles leaked from \Registry\User\S-1-5-21-4029073497-2236676823-654566028-1000:
Process 2588 (\Device\HarddiskVolume1\Program Files\Common Files\Microsoft Shared\Windows Live\WLIDSVC.EXE) has opened key \REGISTRY\USER\S-1-5-21-4029073497-2236676823-654566028-1000