Fix “A required iTunes component is not installed (-45075)” on Windows 10/8/7

"A required iTunes component is not installed (-45075)" is a common issue many iTunes users face. This error can occur when you are trying to install/uninstall/launch/upgrade iTunes, sync media with your iPhone, or when you connect your iPhone to your computer. This error usually occurs because of a security application that blocks the primary iTunes operation.

How to Fix "A required iTunes component is not installed (-45075)"?

Following are some solutions you can try to fix error -45075 on your Windows 10/8/7 computer:

#1 Repair AppleApplicationSupport.msi via WinRAR

Sometimes the error 45075 occurs because of a corrupted/damaged iTunes setup. It could be because of an incomplete download or some other issue. You can try to re-download the setup. If that doesn't fix the error, then it is recommended that you repair the setup via WinRAR. Specifically, there is a file/component in iTunesSetup.exe called AppleApplicationSupport.msi, that's what you need to repair. The process to do this is quite simple.

Step 1. Download WinRAR from the software's official website and install it on your computer.

Step 2. Now navigate to the iTunesSetup.exe file, right-click on it and choose 'Open with WinRAR'.

Step 3. Once the iTunesSetup.exe is opened in WinRAR, find and open AppleApplicationSupport.msi by double-clicking on it.


Step 4. A new installer window will open. There, choose 'Repair' option. Then click on "Next >", WinRAR will start the repair.


Step 5. Once the repair is completed, you can close WinRAR and install iTunes without any issues.


#2 Repair iTunes and Its Components with a Professional iTunes Repairing Tool

When "A required iTunes component is not installed" happens, it is highly recommended that you use a professional tool to repair it automatically. It is called iMyFone TunesUp.

iMyFone TunesUp is a powerful iTunes repairing software that allows you to thoroughly uninstall iTunes and its related components. After launching iTunes, it will automatically check whether iTunes and its components installed normally or not. If there is a iTunes component not installed, it will help you to repair this error without hassles as the following pictures showing:




#3 Try an iTunes Alternative

To avoid all the hassles of using iTunes and spending most of your time fixing its various bugs and errors, it is recommended that you use an iTunes alternative which is capable of performing similar tasks as iTunes, without any bugs and errors.

iMyFone TunesMate iPhone Transfer is one such software. It is an ultimate iPhone file transfer and file management software that offers many useful features. It does not need iTunes to transfer files. Furthermore, it is free from errors and bugs.

Following are some key features of this software:

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  • Transfer media files from iPhone to iTunes/computer and vice versa.
  • All types of media files are supported including music, videos, photos, playlists, podcasts, etc.
  • Transfer purchased as well as non-purchased media files without hassles.
  • 100% save file transferring; your previous iPhone data is not deleted when syncing.
  • Share your iTunes library with family and friends, regardless of whether they are using the same Apple ID or different.
  • Customize ringtones from your iPhone music, without any hassle.

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iMyFone TunesMate is recommended by lots of noted media arround the world: GetintopcGeekreply,, etc.


#4 Restart Apple Mobile Device Service

Sometimes this error is associated with Apple Mobile Device Service. So it is recommended that you restart this service in your Windows PC. Restarting the service may or may not fix the problem, but it is worth trying.

Step 1. First, make sure that iTunes and all its related components are closed. If they are not, then close them before proceeding.

Step 2. Hold down 'R' and 'Win' key on your keyboard simultaneously. A search bar will open.

Step 3. Type 'services.msc' in the provided textbox/search bar and then press 'Enter' key to proceed. 'Services' window will open.


Step 4. In the 'Services' window, find Apple Mobile Device Service and then right-click on it and choose 'All Tasks'. Restart the service by choosing 'Restart' option in that section.


Step 5. Wait till the process is completed, then close 'Services' window and restart your computer. The problem should be solved now.

#5 Check Windows Firewall

As mentioned before, iTunes error -45075 usually occurs because a security application (probably Windows Firewall) blocks the operation/functionality of iTunes. So it is worth checking the Windows Firewall to make sure that iTunes is whitelisted.

Step 1. Hold down 'R' and 'Win' key on your keyboard simultaneously and then type 'firewall.cpl' in the provided textbox. Windows Firewall will open.


Step 2. Make sure everything is in green in Windows Firewall. If it's in red, then turn them into green by following the on-screen instructions.

Step 3. Next, choose 'Allow an app or feature through Windows Firewall' option.


Step 4. Then click 'Change settings' to proceed. A list of programs will be displayed.

Step 5. From the list, make sure that iTunes and Bonjour are both selected over Private and Public network. After that, install or run iTunes. The error should be fixed now.