Windows 11 has enabled a feature called controlled folder access by default. If you are running into issues of starting a test through GMetrixSMS try going through these steps.
- Open Windows Security
- Click on Virus & threat protection and then Manage ransomware protection
- Click on Allow an app through controlled folder access
- Click on Add an allowed app
- Navigate to GMetrixSMS.exe and click Select
If this does not resolve your issue please contact us as we would like to assist you in having a good user experience with GMetrix.