After weeks of speculation and leaked versions of software, Microsoft has now released two vital new updates of Windows Vista.
The official release of the service packs comes as an enormous relief to troubled users of Microsoft's flagship operating systems. Microsoft also confirmed yesterday that Vista Service Pack 1 and XP Service Pack 3 are now being tested.
Since the end of July, two unofficial versions of Windows Vista updates have been in circulation, after they are thought to have leaked via an unnamed channel. Yesterday Microsoft announced its official release on the download centre, though it will not give a date when it will become available via Windows Update.
Desperate users have used the unofficial channel to obtain fixes for a long list of non-security bug fixes. One of the biggest complaints among Vista users is the lethargic emergence from hibernation that the operating system imposes on PCs. A long-awaited patch is expected to help avoid the process dubbed the "emerging from a coma" function.
Other fixed problems include difficulties in moving directories, and compatibility differences with video drivers.
All of the fixes, said Microsoft, are new to Vista. No existing updates are being replaced. The 10Mbyte performance update KB938979 can be downloaded from the Microsoft download centre. Vista's reliability update KB938194 is also available, and takes up 2.1MB. A Knowledge Base document, which spells out changes, is also available for download.
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