itunes quick player

3. when clicking on quick time not compatiable appears(tried properities)

What's the precise text of the message that you're getting there when you try launching QuickTime? (That might give us a heads up on what might be going on.)

quicktime requires 2000 or later ... make sure compatibility mode is disabled in the compatibity tab for quicktime exe.

Head back into the QuickTimePlayer.exe compatibility mode tab as per the following document. (Despite the title of that document, you've got the more common version of the error message for the same problem that one gets nowadays with newer versions of QuickTime.)

Error -2096 message when opening QuickTime for Windows in Compatibility Mode

Are any other boxes (apart from Compatibility mode) checked in there? If so, uncheck all of them and click OK.

(Any box checked in there can cause a QuickTime compatibility mode message.)

Hello,

Have you attempted a clean install?
I'd attempt a clean reinstall:

Go into Control Panel > Add/Remove Programs
Remove these applications:
1. Apple Software Update
2. Apple Mobile Device Support
3. iTunes
4. QuickTime

Restart the computer
Download & Install the Windows Installer Cleanup Utility:
http://support.microsoft.com/kb/290301/
Launch the Utility: Start > Programs > Windows Install Clean Up
Select any of the above mentioned applications, and click Remove

Restart the computer again
Download & install iTunes again from here: http://www.apple.com/itunes/download/

CG

Try re-creating your library to rule out a corrupted library file:
http://support.apple.com/kb/HT1451

CG

To answer your questions, it depends on the file that is corrupted. When you have a corrupted library file, iTunes tends to display an error message explaining that the library is corrupt, and it usually still allows you to open iTunes, but it won't list any music because it can't, based off of the current files.

Since iTunes won't open, I'm curious as to whether you can open QuickTime? Go to Start > All Programs > QuickTime Player and see if it opens or if it displays an error message.

I'd also like to know if you can open iTunes/QuickTime in a test user account. Follow these steps to create a new user:
Test User Account on Win XP / Vista
1. Go to Control Panel > User Accounts
2. Click on "Create new user"
3. Follow the prompts to create a new computer administrator
4. Restart the PC and log in to the new account

See what happens when you try to open iTunes, and then QuickTime as well.

CG

You might want to take a look at this page:
http://helpwithitunes.blogspot.com/

CG