Fix It In One Go: iTunes Error 127


iTunes error 127 is a common error. In most of the cases, it occurs due to broken installation or problems with the iTunes components. Surprisingly, after clicking the OK button, the error message continues to appear to on the user’s screen every few minutes.

  • iTunes was not installed correctly, please reinstall iTunes. Error 7 (Windows error 127)
  • Entry Not Found: Error 7 (Windows error 127)

Download the Diagnostic

There are certain situations when missing entries in your registry and registry corruption causes this problem. Try running a registry scan to identify if there are any such issues.

  1. Click the button below to download and install the Diagnostic
  2. Perform a Registry scan and fix any problems detected.
  3. Restart your computer.

Estimated Download Time: 10 Seconds

Reinstall iTunes & Other Apple Utilities

The first and foremost, uninstall iTunes and all other Apple software and utilities installed on your computer, and then completely remove the left-over traces from your hard drive. Once you’re done, reinstall them back.


For Windows 10:

  1. Click on Start.
  2. Click the Settings icon.
  3. Click on Apps.
  4. In the Apps & Features page, check if one or more of the following programs are already installed:
    • Apple Application Support
    • Apple Mobile Device Support
    • Apple Software Update
    • Bonjour
    • iTunes
    • QuickTime
  5. If any of these program(s) are installed, uninstall them individually. (Select > Uninstall)
  6. Restart your computer.
  7. Double-click on This PC, and delete all the folders given below:
    • C:\Program Files\Bonjour
    • C:\Program Files\Common Files\Apple
    • C:\Program Files\iPod
    • C:\Program Files\iTunes
    • C:\Program Files\QuickTime
    • C:\Windows\System32\QuickTime
    • C:\Windows\System32\QuickTimeVR
  8. Download iTunes from the official website again.

For Windows 8.1/ 8:

  1. Press Windows Key X, select Programs and Features.
  2. In the Programs and Features window that loads on your screen, uninstall all the programs given in Step # 4 above under Windows 10 user’s section.
  3. Delete all the left-over folders mentioned in Step # 5 above.

For Windows 7/ Vista:

  1. Click on Start, select Control Panel.
  2. Click on Uninstall a Program under the Programs category.
  3. Remove iTunes and other Apple utilities as discussed in Step # 4 above under Windows 10 user’s section.
  4. Remove any folders that are left after uninstall. (Step # 5)

Fix Registry Errors

iTunes error 127 also occurs when your Registry is misconfigured. Check for possible problems and resolve them after backing-up your Registry.


For Windows 10/ 8.1/ 8/ 7/ Vista:

  1. Press Windows Key R keys simultaneously.
  2. You’ll have the Run dialog box on your screen.
  3. Type RegEdit and hit ENTER or press OK.
  4. Locate the following sub-key:
    • HKEY_LOCAL_MACHINE | SOFTWARE | Microsoft | Windows | CurrentVersion | SharedDLLs
  5. Important: Backup the SharedDLLs Registry entry. Right-click on SharedDLLs, choose Export option. Enter a name for your backup, and hit Save.
  6. Search for a string named C:\Program Files\iPod\Bin\iPodService.exe. Right-click it and select Delete.
  7. Exit out of the screen and restart your PC.

Reregister QTMovieWin.dll

QTMovieWin.dll is located in the Apple product installation directory. The file may be missing. Unregistering and re-registering the file’s Registry entries may help.

Important: You must determine your system type (32-bit/ 64-bit) before continuing the steps given below. If you need help determining your operating system type, visit the Microsoft support documentation.


For Windows 10/ 8.1/ 8:

  1. Press Windows Key and keys simultaneously.
  2. Select Command Prompt (Admin).
  3. Execute one of the following commands based on your actual system type:
    1. For 32-bit Windows: CD C:\Program Files\iTunes
    2. For 64-bit Windows: CD C:\Program Files (x86)\iTunes
  4. Execute the following commands one by one:
    • regsvr32 -u QTMovieWin.dll
    • regsvr32 QTMovieWin.dll
  5. Restart your computer.

For Windows 7/ Vista:

  1. Click on Start.
  2. Point to All Programs, and then Accessories.
  3. Right-click Command Prompt, choose Run as Administrator.
  4. Follow Steps # 3-5 given above under Windows 10/ 8.1/ 8 user’s section.

Get Admin Privileges

Method 1: Re-run As Administrator

iTunes may not have sufficient privileges to access shared DLL components. Close it down and re-run it with required administrative privileges.

For Windows 10/ 8.1/ 8/ 7/ Vista:

  1. Right-click the iTunes icon on your Desktop.
  2. Select Properties.
  3. Click on the Compatibility tab.
  4. Tick the option named Run this program as an administrator.
  5. Click Apply, and then OK.

Method 2: Change Folder Security Settings

Another way to obtain administrative privileges is to configure the iTunes installation folder’s security settings and provide the read/ write access permissions.


For Windows 10/ 8.1/ 8/ 7/ Vista:

  1. Double-click This PCComputer or My Computer icon on your Desktop based on your operating system’s version.
  2. Open one or more of the following folders based on your operating system type:
    • C:\Program Files
    • C:\Program Files (x86)
  3. Right-click the iTunes sub-folder, choose Properties.
  4. In the Folder Properties dialog box, click the Security tab.
  5. Click on Edit.
  6. Check the box Allow ahead into the Full Control row.
  7. Click OK twice.

Prevent Antivirus Conflicts

Your Antivirus may be conflicting with some of the installed iTunes components. Temporarily disabling your Antivirus might help.

For Kaspersky Internet Security:

  1. Right-click the system tray icon of your Antivirus.
  2. Choose Disable Protection.
  3. When you’re asked to confirm, choose Pause until restart, and click Pause Protection.

Note: To resume the Antivirus protection at a later point of time, simply restart your machine.


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