help and support won't open

which version of Windows You did not answer the question.
IE10 and google chrome are browsers, they are not Operating systems.

 

You did all of this?
Method 1: Try the steps from the link below.
http://support.microsoft.com/mats/windows_search

Method 2: Try to run [System File Checker] SFC scan on the computer which would scan for corrupt system files on the computer and replace them.
http://support.microsoft.com/kb/929833

Method 3: If the issue persists then try to boot your system in safe mode and check if the same issue occurs.
http://windows.microsoft.com/en-US/windows7/Start-your-computer-in-safe-mode

Method 4: If the issue does not exist in Safe Mode then try to set your computer in Clean Boot state.
By setting your system in clean boot state helps in identifying if any third party applications or startup items are causing the issue.
How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7: http://support.microsoft.com/kb/929135

Note: After clean boot troubleshooting step, follow Step 7 in the provided link to return your computer to Normal startup mode.
http://support.microsoft.com/kb/917607