Speeding up program search
This registry tweak stops vista searching for all indexed files on your system while you search for programs in your program menu, please remember to make a backup of your registry before you take any action to alter registry keys, just incase the worst case senario happens.
1. Open Registry Editor (regedit).
2. Navigate through HKEY_CURRENT_USER, Software, Microsoft, Windows, CurrentVersion, Explorer and finally Advanced.
3. Find and right click on Start_SearchFiles and select Modify.
4. Set the Value to 0.
5. reboot your computer.
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Disable the sidebar
Although his feature is somewhat handy (which is debatable in my opinion), considering it includes realtime weather reports, up to date news from various sources and other tools such as computer monitoring, and an over sized clock. It takes up valuable memory, clutters up your desktop, considering the limited information it gives you, if you want the weather in your area, look out your nearest window 
, here is how to disable it:
1. Open Control Panel
2. Navigate to and open Appearance and Personalization
3. At this point open Windows Sidebar Properties, here a pop up window appears, uncheck the box which says “Start sidebar when Windows Starts”
4. If you currently have Sidebar running, right click on the Sidebar icon, situated in the taskbar and select exit
5. Reboot and you’re set.
