It's more convenient and safer that you use an external HDD and always keep important files saved as they are created, in folders.
No. You contacts will be saved in a backup automatically before you update your phone. Even if something goes wrong with the update, you can restore from the backup with your contacts, but I myself never had that problem.
Windows XP SP2 can update to SP3 through Windows Update, CD/DVD/USB or downloading the file manually from Microsoft's Websites. Be warned XP support ends as of April 2014.
It depends on what kind of hardware you have. There is no direct upgrade from 98 to Vista. You'll have to basically format the drive and do a clean installation.
Windows explorer automatically updates whenever Windows has a critical update. Computers should have Windows update activated to ensure a smooth update experience.
You can update to Windows 8 by purchasing a Windows 8 installation disk but make sure your hardware can support the update.
One can update Service Pack 2 on Windows XP Professional by visiting the Windows' update page. When on the Windows' website, press "update" and then install to complete the update.
If you receive Windows Update error 80072ee2 while checking for updates, the Windows Update servers might be experiencing an unusually high number of requests for updates. Close Windows Update, wait 10 to 15 minutes, and then run Windows Update again. You can also wait for Windows Update to run at its next scheduled time.The Windows Update Troubleshooter is available that fixes some problems with Windows Update, and it might resolve this error for you.If that doesn't work, try the following steps:To add the Windows Update websites to a firewall exceptions list• Windows Firewall ships with this version of Windows and should already include these sites in the exceptions list. If you use a different firewall, refer to the software publisher's help to see how to add these websites to your firewall exceptions list:o http://*.update.microsoft.como https://*.update.microsoft.como http://download.windowsupdate.comIMPORTANT: This article contains information about editing the registry. Before you edit the registry, you should first make a backup copy of the registry files (System.dat and User.dat). Both are hidden files in the Windows folder.If the above mentioned step does not resolves the problem then try deleting the registry keyHKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AURestart the system after the key is removed and the windows update should start working.
To update your Xperia smartphone you need to connect it to your desktop PC or Mac and run the Sony's PC Companion Software. recommend you backup your smartphone files and data before you apply the update.
Before you install new hardware Before you update drivers
connect your PC to the internet so that windows 7 can update
automatic update
The Windows Update service is/was available to Windows 95, but there was no specific utility for it; you would have to manually go to the website.