Win7 can not upgrade SP1 error prompt 0x800f0a12 how to do?

  

Some Win7 users have encountered problems with SP1 installation when upgrading SP1. So, how can I fix this problem? The following are specific solutions.

Recommended: The latest Win7 download

Win7 can not upgrade SP1 solution:

In the start search box, enter "ldmg; compmgmt.msc"; open the computer management interface, select the storage - Disk management, check whether the partition where Windows 7 is located contains the "activity" attribute. If not, right click on the partition and select “ mark the partition as active partition. After

Finish to close the Computer Management window and other applications, to start running Windows 7 SP1 installation program updates online or directly through Windows Update, this time should be on this error does not happen again.

After the SP1 is fully installed, you can also reset the original active partition to active status (if needed) via DISKPART.

This is the Win7 can not upgrade SP1 solution, users in need can try this method to repair their own computer.

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