How to Fix QTMLClient.dll Missing or Not Found Error: 5 Effective Solutions

The QTMLClient.dll file, created by Apple, is essential for the functioning of the QuickTime Player. If this DLL is missing, applications such as QuickTime Player and RecBoot may cease to operate, displaying an error message: “The program can’t start because QTMLClient.dll is missing from your computer. Try reinstalling this program to fix the problem.”

However, there’s no immediate need to reinstall the software. The QTMLClient.dll missing error can also occur if the operating system or the application fails to locate the DLL file, or if the file is corrupted. Additionally, a malware infection can lead to DLL-related errors.

To begin troubleshooting, restart your PC, install any pending Windows updates, uninstall any recently added programs, and check the Recycle Bin for the DLL file. For many users, these basic steps can resolve the issue!

What can I do when QTMLClient.dll is missing?

1. Use a DLL repair tool

The easiest solution for the QTMLClient.dll not found error is to utilize an efficient DLL repair tool! This type of tool scans for any missing or corrupted DLLs and updates them with a cached version stored on your system, effectively resolving all DLL-related errors.

2. Re-register the DLL

1. Press Windows + S to open the Search bar, type Command Prompt, and select “Run as administrator”.
2. Click Yes in the User Account Control (UAC) prompt.
3. Paste the following command to unregister the DLL: regsvr32 /u qtmlclient.dll and press Enter.
4. Next, register QTMLClient.dll again by executing the command: regsvr32 /i qtmlclient.dll
5. Finally, restart your PC and check if the error persists.

3. Manually move the DLL to the affected program’s folder

If the DLL fails to load during re-registration, you will need to manually transfer QTMLClient.dll to the appropriate directories. Obtain a copy of the DLL from another PC and move it to the following locations: C:\Windows\System32 and C:\Program Files\Common Files\Apple\Apple Application Support.

It is also advisable to place a copy of the DLL in the folder containing the affected program’s launcher (.exe file).

4. Reinstall the affected program

1. Press Windows + R to open the Run dialog, type appwiz.cpl, and click Enter.
2. Find the program causing the missing DLL error, select it, and click on Uninstall.
3. Follow the prompts to complete the uninstallation, and then restart your PC.
4. Finally, reinstall the application from its official website or the Microsoft Store.

If you had previously installed QuickTime Player but it’s no longer on your computer, and other applications like RecBoot are displaying the missing QTMLClient.dll error, consider using well-reviewed uninstaller software to remove all remnants of QuickTime Player. This process eliminates leftover files, app caches, and Registry entries!

5. Scan the PC for malware

1. Press Windows + S to open Search, type Windows Security, and click on the relevant result.
2. Click on Virus & threat protection.
3. Click on Scan options.
4. Select the Full scan option, and then click on Scan now.
5. Wait for the malware scan to finish, which may take between 15-45 minutes.

If Windows Security doesn’t find any threats, consider using a trusted antivirus solution to identify and remove any traces of malware from your PC.

Once you have completed these steps, the QTMLClient.dll not found errors in Windows should be resolved.

If you have additional solutions to address this issue, please share them with our audience in the comments section below.

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