Support & Learning

What should I do if I encounter an error logging into my account or starting the program, and the error message is "Callback: -13"?

This issue may be related to the installation of unauthorized or pirated software. Please first confirm whether you have recently reinstalled Filmora and whether the software was downloaded from the official Wondershare website.

If Filmora was downloaded from a third-party website, please kindly provide the download URL so that we can further investigate.

For your reference, here is our official download link: https://support.wondershare.com/how-tos/wondershare/product-download.html

At the same time, please check whether any antivirus software (such as Avast) is installed on your computer. If so, please try temporarily disabling it, then restart Filmora to see if the issue persists.

If the issue still occurs while using the official version, please try the following solutions:

How to find the installation directory:

  1. Right-click the Wondershare Filmora icon on your desktop, then select "Open file location".
  2. Open the folder named with the Filmora version number (e.g., “11.7.1.764”).
  3. Copy the two patch files into this version folder.

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