

Since the Windows 7 Service Pack 1 offline installer files are quite large, it is recommended to use a download manager app like IDM or Free Download Manager (FDM) to download the service pack.įirst, download the appropriate version of the service pack according to your operating system. You can download this Service pack (Windows 7 SP1) by using the download links listed on this page. The version of Windows 7 is displayed next to the System type.

To check your Windows version (platform), first, click the Start button, then right-click Computer, and then select Properties. Therefore, before downloading any service pack, you’ll need to know if your PC is running a 32-bit (x86) or 64-bit (圆4) version of Windows 7. The 32-bit version of Windows required the Service pack 32-bit (x86) and the 64-bit Windows required the Service pack 64-bit (圆4). Each version is developed for the specific platform of Windows. There are two versions of this Windows Service pack, 32-bit (x86) and 64-bit (圆4). If the value is set to 0: This indicates that Automatic mounting of new volumes is Enabled.Īdditional information on this issue can be found here.3.2 Related Software for Windows How to Download Windows 7 Service Pack 1: If the value is set to 1: This indicates that Automatic mounting of new volumes is Disabled. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MountMgr\NoAutoMount The current status of automount can be checked by looking at the following registry key. Windows 7 by default has the automount feature enabled. When Launching the Service Pack 1 installer again no issues were detected and installation could continue. When executing DISKPART the results were as following: Once rebooted I executed MOUNTVOL again and got the following result. In fact the 100MB sized System Partition was Offline.Īs per Microsoft’s recommendation I then executed MOUNTVOL /E which re-enables automatic mounting of new volumes and then rebooted the system. I than ran DISKPART and got the following result. Running the command MOUNTVOL /L showed the following result: Knowing my systems I could immediately exclude cause 2,3 and 4, so took a closer look at cause 1. Windows is running on a storage area network (SAN), and access to the system partition has been disabled.Ī disk management tool from another software manufacturer was used to copy (or clone) the disk or partition on which you’re trying to install SP1 The system partition isn’t automatically mounted, or made accessible to Windows, during startup.Ī hard disk containing the system partition was removed prior to beginning SP1 installation. When clicking on the Go online link Microsoft mentions the several reasons that could lead to this error. During the past days I have been manually updating a few Windows 7 clients and on two of them I received the error 0x800fa12.
