If you are encountering the error message “The terminal services activex control (mstscax.dll) does not match the version of the client shell” while trying to use Remote Desktop Protocol (RDP) on your Windows computer, then you are not alone. This error message usually appears when there is a mismatch between the version of the mstscax.dll file and the version of the RDP client shell on your computer. This can happen due to various reasons such as a corrupted file, outdated software, or a bug in the system.
Fortunately, there are several ways to fix this error and get your RDP working again. Here are some of the most effective solutions:
1. Update your Windows operating system: Make sure that your Windows operating system is up-to-date with the latest patches and updates. This can help fix any bugs or issues that might be causing the error message.
2. Re-register the mstscax.dll file: Sometimes, the mstscax.dll file can become corrupted or damaged, which can cause the error message. To fix this, you can try re-registering the file by following these steps:
– Open the Command Prompt as an administrator.
– Type the following command and press Enter: regsvr32 mstscax.dll
– Wait for the process to complete and then restart your computer.
3. Use a different version of RDP: If the error message persists, you can try using a different version of RDP. For example, if you are using RDP 8.0, you can try using RDP 7.1 instead.
4. Uninstall and reinstall RDP: If none of the above solutions work, you can try uninstalling and reinstalling RDP on your computer. To do this, follow these steps:
– Go to Control Panel > Programs and Features.
– Find Remote Desktop Connection and click Uninstall.
– Restart your computer.
– Download and install the latest version of RDP from the Microsoft website.
In conclusion, the error message “The terminal services activex control (mstscax.dll) does not match the version of the client shell” can be frustrating, but it is not a permanent problem. By following the above solutions, you can fix the issue and get back to using RDP on your Windows computer.
Conclusion
In conclusion, I hope that the solutions provided above have helped you resolve the “The terminal services activex control (mstscax.dll) does not match the version of the client shell” error message and get your RDP working again. Remember to keep your Windows operating system up-to-date, re-register the mstscax.dll file, try using a different version of RDP, or uninstall and reinstall RDP if necessary. If you continue to experience issues, don’t hesitate to seek further assistance from Microsoft support or a qualified technician.
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