A little reminder about the Combo updates

As with each update of Mac OS X, many readers contacted us to tell us about bugs after having installed 10.5.3. As very often, they are very variable and affect functions of the machine or the use of certain software.
Will know that in the majority of the cases, almost all in fact, a solution is to download the update Combo and to install it - and then all returns in order.
You will be able to download it from the following address, it comes in at 536 MB:
http://www.apple.com/support/downloads/macosx1053comboupdate.html
More generally, if your system starts to pose strange problems for you, think of remaking this Combo update that has a good chance to regulate everything.
Changing the subject a bit while remaining on the same topic, we have received statements from readers whose hard drive died during an update.
Of course, no update should be able to destroy a disk. On the other hand, at the time of its installation the hard drive is strongly exercised. For a few disks close to the end of their lives, installing the update is the final straw.
Thus think of also making backup BEFORE doing the update.