WSUS 3.2 on 2008R2 fails to download Windows 10 Anniversary Update (1607)

Windows Server Update Services (WSUS 3.2) running on up-to-date Windows Server 2008R2 machine are failing to download Windows 10 Anniversary Update.

WSUS Console Overview page shows download status progressing up to 100% (4,844.37 MB of 4,844.37 MB), but then it just gets stuck and never changes.

Updating Group Policy .admx template files with Windows 10 (1607) specific settings

New Windows 10 Anniversary Update (1607) and Windows Server 2016 group policy templates (.admx and .adml) can be download from Microsoft (Windows Server 2016 ADMX.msi package). Install the downloaded .msi package on a client PC and all the template files will be copied to C:\Program Files (x86)\Microsoft Group Policy\Windows 10 and Windows Server 2016\PolicyDefinitions folder.

Symantec Backup Exec agent install error - Microsoft VC++ Redistributables

Issue

Symantec Backup Exec 15 agent manual installation on Windows Server 2003 R2 fails with following error:

Microsoft VC++ Redistributables (x86) Installation failed.

Cannot start IIS website - Exception from HRESULT: 0X80070020

Issue

Cannot start IIS 10 site on Windows 10 Pro. Following error message is displayed when trying to start the website:

The process cannot access the file because it is being used by another process. (Exception from HRESULT: 0x80070020)