QTCF.DLL is Missing: 6 Simple Ways to Fix it

Outdated apps work better in compatibility mode

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The qtcf.dll is related to the QuickTime app which makes it a critical file especially if you’re using QuickTime in playing or recording audio/video files.

You’re likely to run into a qtcf.dll is missing or not found error when you launch a program such as a game that depends on QuickTime for smooth audio playback. Missing DLL files are common where there are compatibility issues.

1. Run the installer in the compatibility mode

  1. Download the QuickTime installer and save it.
  2. Locate the downloads folder, right-click on the QuickTime installer and open Properties.
  3. Navigate to the Compatibility tab then check the Run this program in compatibility mode for box.
  4. Select Windows Vista from the drop-down menu.
  5. Check the Run this program as an administrator box.
    windows 10 quicktime install error
  6. Confirm changes and close Properties.
  7. Run the QuickTime installer.

It is possible that your QuickTime app is failing to launch because there was an issue with the installation or certain configurations corrupted the installation files. Renaming the setup file will force the installer to reconfigure and re-register the qtcf DLL file and bypass these issues.

2. Perform DISM and SFC scans

  1. Hit the Start Menu icon, type cmd in the search bar, and click Run as administrator.cmd-run-admin-w11 unexpected kernel mode trap windows 11
  2. Type the following commands and press Enter after each one:DISM.exe /Online /Cleanup-Image /Restorehealth sfc /scannow
  1. Press Windows + I to open the Settings app.
  2. Go to Apps, then click Installed apps.
    Apps - Installed apps 0x80090302
  3. Locate iTunes, click the three dots, and then Uninstall.
    Advanced options click Uninstall  0x80090302
  4. Click Uninstall.
    Uninstall the app 0x80090302
  5. Repeat the same for QuickTime.
  6. Now go to Microsoft Store and search iTunes.
  7. Click Install to initiate the installation of the program.
    Install iTunes 0x80090302
  8. Click Agree to complete the installation.
  9. You’ll not find QuickTime on the Microsoft Store so you’ll have to download it from a trusted third-party source.

4. Try installing an older version

  1. Navigate to Apple’s support website and choose an older version of QuickTime.
  2. Download the QuickTime installer and run it in the compatibility mode for Vista and with administrative permissions.
  3. Wait until the installation is finished and check if the issue is solved.

It is possible the qtcf DLL file is missing because of incompatibility issues so rolling back to a previous older version that worked well could resolve the issue.

5. Re-register the DLL file

  1. Hit the Windows key, type Command Prompt right-click on it, and select Run as administrator.
  2. Type the following command and press Enter:
    regsvr32 qtcf.dll
  3. This command registers the missing DLL file. However, if more than one DLL file is not registered, you can use the following command:
    for %1 in (*.dll) do regsvr32 /s %1

6. Download the DLL file manually

  1. Visit the DLL-Files website, search qtcf.DLL, choose an appropriate option, and click Download.
  2. Double-click the downloaded folder to open, locate, and copy the .dll file.
  3. Press the Windows + E keys to open the File Explorer.
  4. Navigate through the following path and paste the file: C:\Program Files (x86)\QuickTime\QTSystem or C:\Program Files\QuickTime\QTSystem
  5. Close your File Explorer and try to launch the program again and see if the error persists.

Unfortunately, you may try all these steps and still not fix the qtcf.dll missing error. However, specialized system repair tools that are equipped with powerful scanning tools, can detect, find and replace the missing DLL file.

Finally, you don’t have to depend on QuickTime to open QTL files, unless of course you’re running older software that must exclusively use the QuickTime app. The app hasn’t been updated in years for modern versions of Windows.

And even though you may find a workaround to install QuickTime on Windows 10 or 11, you’re likely to encounter a myriad of other issues like the Quick Time install error.

That’s all we had for this article but do let us know if you have any other workarounds that worked for you. Drop us a line below.

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