The calendar is probably the gadget I use most often because I work with many deadlines and I like having the whole month right there in front of me so I can quickly see, for instance, what day of the week the 19th is when someone asks me whether I can meet that day.
Recently, I found a great replacement for the Vista calendar: z Calendar. I work with people in different parts of the country, so I like being able to see what time it is in other time zones.
Ed Bott recently shared his favorite gadgets with us in his blog, but while I agree with Ed that most (not all) of the gadgets Microsoft included in Vista are not very exciting, my favorites (except for one) are different from his.
Of course, your favorites may not be the same as mine or Ed's, depending on how you use your computer and what information you like to have at your fingertips.
Many Vista users were complaining about UAC and they wanted to keep it turned off.
This automatically disabled on the sidebar and desktop as well.
To fix this problem, one need to simply set the UAC back to default level or at-least level 1.
You will then be able to install Windows 7 Gadgets on your desktop sidebar.
If you still face issues with windows 7 gadgets, it might because of incorrect settings in your Internet Security Zones.
Microsoft has released a registry fix for this issue.