How to completely dissociate .hex files from Notepad?

Question

My computer keeps thinking that my hex files are txt files.Implication: I have an app to update a device. This app has a dropdown box to select bin or hex. It will not find my hex file.

gastone · Answer

&nbsp;Use Command Prompt or PowerShell&nbsp; &nbsp; Open Command Prompt or PowerShell:&nbsp; &nbsp; &nbsp; &nbsp; Press Win + S, type cmd or powershell, and press Enter.&nbsp; &nbsp; Remove the Association: Run the following command to delete the .hex file association:assoc .hex=&nbsp;2. Edit the Registry⚠️ Be cautious when editing the registry. Back up your registry before proceeding.&nbsp; &nbsp; Open the Registry Editor:&nbsp; &nbsp; &nbsp; &nbsp; Press Win + R, type regedit, and press Enter.&nbsp; &nbsp; Navigate to the File Type:&nbsp; &nbsp; &nbsp; &nbsp; Go to: HKEY_CLASSES_ROOT\.hex&nbsp; &nbsp; Delete or Edit the Key:&nbsp; &nbsp; &nbsp; &nbsp; If the key points to Notepad, delete the Default value or modify it to an empty string.&nbsp; &nbsp; Clean the Associated Program Entry:&nbsp; &nbsp; &nbsp; &nbsp; Navigate to: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hex&nbsp; &nbsp; &nbsp; &nbsp; Delete the subkeys like OpenWithList or UserChoice to remove any lingering associations.&nbsp; &nbsp; Restart Your Computer to apply changes.&nbsp;Bye Gastone

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How to completely dissociate .hex files from Notepad?

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