Not easy, deleted %temp and used ms fixit .

   -         Method 1:

 

Check if the Installer
Service is running. To do so, follow these steps.

  

1. a.      
   Click Start, Click Run and type “Services.msc” (without quotes) and press
   Enter.
2. b.     
   Double-click Windows Installer.
3. c.      
   Set the Startup type of Windows Installer to Manual.
4. d.     
   Click Start to start the service. Note down the error message if any. Click OK.

  -         Method 2

Reregister the Windows
Installer. Follow these steps for the same.

1. a.         
   Quit all Windows programs.
2. b.         
   Click Start, All Programs, Accessories and click Run. Type “msiexec
   /unregister” (without quotes) in the Open box, and then click OK.
3. c.         
   Click Start, All Programs, Accessories and click Run. Type “msiexec /regserver”
   (without quotes) in the Open box, and then click OK. Restart your computer.

-         Method 3 ,

We can ask Microsoft if
we can use the “Program install and uninstall” from the below link , to fix any
registry keys that could be corrupted:

http://support.microsoft.com/mats/Program_Install_and_Uninstall

   -         Method 4 :

If you have an anti-virus
running , you need to stop it first temporarily , then run the installer ,
uninstall the program then we can revert back the antivirus

-         Method 5

If a previous version of
the package is still cached on the system, remove it: 1.Run the uninstallation
of the package on the system if it is still present.

1. 2.Verify that both
   uninstall keys are removed from the system by launching the Registry Editor (by
   typing 'regedit' in the Windows " Run dialog) and checking the following
   registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\InstallShield_