Under construction, this FAQs have been written by Fernando Muñoz and collaborations of José Gallardo and anwers to the most common questions about Windows Update / Microsoft Update
A common scene is to
store all the updates downloaded from Windows Update in a CD, either
because we want to update a PC not connected to the Internet, or
because we have made a home network and we do not want to update the
PCs one by one, or because we are going to format and/or reinstall
and we do not want to go to Windows Update again.
Whatever we do, downloaded
and installed updates cannot be stored in some way. To do this task,
we have to individually download the updates from Windows Update
Catalog.
This tool enables us
to find all the updates available for all Microsoft Operating
Systems: from Windows 98 to Windows 2003, going from Windows XP or
Windows ME. Besides security updates, Microsoft provides, through
Windows Update Catalog, update system files, device drivers, service
packs, or renewed features of Windows.
In KB article
we will find a long description of what Windows Update Catalog is and
how we can download these hotfixes to store them in a CD.
Usually, some patch
needs to have previously installed some others. In this case it is
recommended to read the information for every patch. But, in general
situations it is enough to install them chronologically, according to
release date.
3. Where can I
read information about patches at Microsoft web? New versions of Windows
Update (v6 y v5) provide detailed information about what is and what
does every patch and, if needed, what security vulnerabilities
solves. In any case, in Microsoft web, at Downloads centre, we will
be able to individually download the patches and find further
information.
4. On which folder are
the downloaded patches stored? In previous versions
of WU the folder was Wutemp which was a hidden folder located
on the root directory of the most free space drive. But, up to
Windows Update version 6 this matter has changed and now
"SoftwareDistribution" is used and is located as a
subfolder of the folder where Windows is installed. This folder is
used both as download directory and temp directory.
"SoftwareDistribution/Download" content is
automatically deleted after ten days from download.
5.
How can I uninstall a patch? Patches
that can be uninstalled are stored on folders named $Ntuninstall,
on the directory where Windows is installed, and they are listed at
Control Panel / Add and remove programs, it is enough to check
"Show updates" and choose the patch to uninstall. If
we are not going to uninstall any update, we can delete $Ntuninstall
folder for freeing up space.
6. Does System Restore
uninstall a patch? Obviously,
the answer is Yes, system restore removes every program and/or
update previously installed, because it restores the system to the
system state when the restoration point was created. 7. Can
I schedule automatic updates when I desire? Of
course, this task can be done following this KB article, and if we
have installed the update referred on it, or SP2.
8.
Can I remove Microsoft Update and turn to WU? Yes.
Microsoft Update is only a way to centralize the updates related to
Microsoft Operating Systems and Microsoft programs (such as Office),
in a single place, but you can disable Microsoft Update and turn to
prior WU following the instructions of this KB article:
No,
it is not necessary. Windows XP Service Pack 2 is cumulative, that
is, all the updates prior to SP2 release date are included on it, so
installing SP2 we install SP1, and all the patches between SP1 and
SP2.
Windows
Update checks for installed software on the machine and it offers
customized updates, if necessary. For instance, if we have installed
Net Framework in a machine and not in the other one, Windows Update
will give us Net Framework updates for one machine and not for the
other one.
Usually,
when installing a patch, we are prompted to reboot the machine to
finish the install, and if we are installing some patches at once, it
is possible that we have to reboot for every one. It is possible to
install the updates and reboot once, which will avoid further delay.
To do this task we have to follow these instructions:
Yes,
if we perform a reinstall we will overwrite system files for the ones
in the original CD, so the reinstall be done, we have to go to
Windows Update and install all the patches. 13. Run SFC
could lose patches? SFC,
System File Checker, repairs protected system files in case of
versions get altered, and this is done by checking digital signatures
by Windows File Protection (WFP). So, when doing SFC /scannow from
command line, we replace all the altered files and it is possible we
lose some update. Then it is recommended to go to Windows Update when
SFC finish. 14. Have I to install all that Windows Update
shows me? It
is recommended to install all the critical updates because they solve
important security problems. Recommended updates can be installed or
not.
15.
It is a good option to download drivers from WU? We
also can download drivers from Windows Update, but this is not
recommended because they are no developed by Microsoft but by
manufacturers and it is likely that we could not get the latest
version. It is always recommended to go to manufacturer's website to
look for the latest versions. And, if possible, to use certified WQL
drivers. You can get further information about this is our Windows XP
FAQs section.
16.
How can I know what updates from Windows Update have I installed? If
we have installed Windows XP Prof, we will obtain all the updates
when typing in Systeminfo. This command gives us a lot of
information, and the related to updates installed. If we have
installed Windows XP Home, we only get the information by going to
Control Panel, Add and remove programs. Remember that on this section
we only see the updates that can be uninstalled. 17. How
can I delete a corrupted download to download it again? Simply,
it is enough to delete SoftwareDistribution folder, located on
Windows drive. If it does not exist, it will be renewed when going to
Windows Update.
18.
Can I execute WU in a limited account? No,
it cannot be done. Update task must be done in an administrative
account. If we try to do this in a limited one, Windows Update will
cause 0x8DDD0002 error code. 19. What are the names of WU
related services (in XP) and how have they to be set? These services are
two: Wuauserv and BITS (Background Intelligent Transfer Service). The
first one, Wuauserv, has to be started and set as automatic.
BITS service is enough to be as manual and it is not necessary
to set as started. Windows Update will start it then needed.
We can check these services by going to Start > Run and type in
services.msc.
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