Windows 7 Service Pack 1, also known as Windows 7 SP1, contains a collection of updates, fixes, or enhancements. Its final version was rolled out to the public on February 22, 2011, and now Microsoft has ended its support of Windows 7.
Even so, some users persist in using Windows 7 on a PC since it is reliable. However, when trying to update/install SP1 for Windows 7, an error like 0x800F0A12, 0x80073701, 0x800f0a136, 0x800f0826, or installation was not successful appears.
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