If you are facing the error 0x80070091 while trying to delete a folder in Windows, it means that the directory is not empty. This error can occur due to various reasons such as a file or folder being in use, permission issues, or a corrupted file system. However, there are several ways to fix this error and delete the folder successfully.
Here are some solutions that you can try to fix the error 0x80070091:
1. Close all programs and processes: Before attempting to delete the folder, make sure that no program or process is using any file or folder within it. Close all the programs and processes that might be using the folder and try deleting it again.
2. Use Command Prompt: You can use the Command Prompt to delete the folder. Open the Command Prompt as an administrator and type the command “rd /s /q [folder path]” and press Enter. This command will delete the folder and all its contents without prompting for confirmation.
3. Check permissions: Make sure that you have the necessary permissions to delete the folder. Right-click on the folder and select Properties. Go to the Security tab and check if you have the necessary permissions to delete the folder. If not, change the permissions and try deleting the folder again.
4. Use a third-party tool: If none of the above solutions work, you can use a third-party tool such as Unlocker or FileASSASSIN to delete the folder. These tools can forcefully delete the folder and its contents.
In conclusion, the error 0x80070091 can be frustrating, but there are several ways to fix it and delete the folder successfully. Try the solutions mentioned above and see which one works for you.
I hope that the solutions mentioned above were helpful in resolving the error 0x80070091 and deleting the folder successfully. If you still face any issues, feel free to reach out for further assistance. Remember to always close all programs and processes before attempting to delete a folder and check your permissions to avoid such errors in the future.