Windows 2008 R2 – Kernel (System Process PID=4) is locking files and folders

As Dani has already mentioned in the comment: It’s a bug in Windows 7 and likely in Windows Server 2008 (possibly 64bit versions only). It surfaces when you disable Application Experience service. Re-enabling this service has fixed this problem for me. A bit more info here as to why it’s causing a problem. List of … Read more