I don't know why but the start->search line in my computer - does not work!
It shows me something that says Programs as result and does not search!
I used to just type something like CMD and it will open cmd.
Why is it?
Check the following page for troubleshooting your symptoms: Windows 7 Start search bar not working
tl;dr: restart the explorer.exe process - Windows 7 Start Menu search not working
I have found various suggestions for solutions, including
I was reluctant to try those rather complex solutions, then I noticed that beside the start search not working, also the calendar wouldn't pop up. Remembering the useful trick from WinXP, I restarted the explorer.exe process and presto.