# Download and install Tool

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## I. Conflict reminder

<mark style="color:red;">When using Best Total Control Screen Mirroring, please close other similar screen mirroring software.</mark>

Best Total Screencast is stable and reliable, but when used with other similar screen recording software, conflicts such as occupied ports and locked programs may appear, which can cause users to encounter many unexpected problems. It is usually not possible to transmit from mobile phones. , a small number of mobile phone screens are defective and the group control function does not work. For your user experience, please close other screen recording software.

## II. What should I do if it prompts that the software is already running?

When opening the software, it says "Best Total is do ing" because there are other programs in the system that occupy port 9999 so they cannot start normally. The solution is also very simple. Open the system's task manager, find the program process with port 9999 and end it, then you can open the software and use it normally.

## III. What should I do if it says the system has stopped running?

Usually, this is due to incompatibility of Windows 7 system. It is recommended to use Windows 10 or Windows 11 system.

## VI. What should I do if the software crashes?

When the user's computer was upgraded from win7 to win10, wmic had changed the original directory structure, and the environment variables did not follow the table, causing the wmic command to fail.

Solution

1. Win+R, run sysdm.cpl
2. Advanced - Environment Variables
3. System Variables - Path - Edit
4. Add C:\Windows\System32\wbem (note the capitalization)

## If you have any questions, please contact us via [`Telegram`](https://t.me/mrfamilyvn?text=Hey%2C%20can%20you%20help%20me%20out%3F)
