• msiexec /regserver
2. Double-click Windows Installer
3. Set the Startup type of Windows Installer to Manual
4. Click Start to start the service. Note down the error message if any.
5. Click OK.
2. In Computer, open the "C:" drive.
3. Open the Users folder.
4. Double-click the folder titled with your username.
5. If you see an AppData folder, skip to step 10. If you don't see an AppData folder, proceed to the next step.
6. Choose Organize > Folder and Search Options.
7. Click the View tab.
8. Select the option to "Show hidden files and folders." (In Windows 7 this option will be called "Show hidden files, folders, and drives").
9. Click OK.
10. Double-click the AppData folder to open it. If Windows needs your permission to continue click Continue.
11. Double-click the Local folder to open it.
12. Right-click on the Temp folder and choose Delete.
13. In the confirmation dialog that appears click Yes.
14. If you are unable to delete the Temp folder, close all programs, especially those in the Notification area ("System Tray") of the Windows Task bar and repeat step 12.
15. Restart your computer.
2. From the Start menu, click Control Panel.
3. In Control Panel, click Uninstall a program. The Programs and Features Control Panel opens.
Alternately, in Classic Panel of Control Panel, click Programs and Features.
4. Select iTunes from the list of currently installed programs, then click Uninstall.
5. When asked if you would like to remove iTunes, click Yes.
6. After the uninstallation is complete, do not restart your computer if you are prompted to.
7. If other program entries were listed for iTunes in Programs and Features remove those as well.
8. In Programs and Features, also remove any iPod Updater applications that are listed in the same fashion as you removed iTunes.
You may refer the following article to download the Windows Installer Cleanup Utility:
2. Select iTunes from the list and click Remove. If you have multiple iTunes files, remove all of them.
3. Once you have completed the above steps to Empty your Temp directory, Completely remove iTunes and QuickTime, and Clean up iTunes installer files on the computer, you can install the latest version of iTunes from
This solution correct my bug.
I had the same error in with the i-tunes installation and i did this and it worked.... This works for any i tunes that fails to install itself on 64 Bit
You have to go into your registry.
Start, run, type in “regedit”.
Next go to HKEY_LOCAL_MACHINE.
To the right you’ll see WOW64. Double click on it, or right click on it and click on modify. Change the setting from 1 to 0.
Next, go to the start menu again and type in the search box: “services.msc”.
Look for and find the Windows Installer service.
Double click on it and tell it to stop. Next, tell it to start.
You should now be able to install your programs.
------ By the way I dont have the WOW64 option is not available.
Then i tried the apple support on it and still nothing.
I was able to install quick time just fine. All of the other apple software associated with itunes installed fine but itunes did not. Im not sure if there is a virus that could do this. I didnt delete anything but apple folders.
I have tried other things but i cant remember exactly there were.