Hi, Reiahx01
Welcome to Microsoft Community.
We understand your current situation. Fatal errors when creating TLS client credentials usually occur when starting a program, browsing a web page or connecting to a network. The reason is that there are differences between the client and the server on the mutual password used to establish a secure connection. It is suggested that you can try the following schemes:I. enabling TLS 1.0 and 1.1 protocols1. press–windows+r.2. Type-ncpa.cpl3. Click OK or press Enter.4. After the Internet properties window opens, click the Advanced tab.Scroll down and select Use TLS 1.0 and Use TLS 1.1.Click Apply, and then click OK.7. Restart the device and check whether the error "Fatal error occurred while creating TLS client credentials" still occurs. II. If your system is a home version, you can try the scheme of group policy:
- Open Group Policy, and then open Computer Configuration-Management Template -【windows Components -【internet explorer】-【internet Control Panel-Advanced Page.2. Find the support for turning off encryption on the right, set it to enabled, and set the protocol combination to TLS1.0, TLS1.1 and TLS1.2.
**III. Registry adjustment to fix internal error status is 10013.**1. Click-Search.2. Enter-regedit. See-9 ways to open the Registry Editor in Windows 10.3. Click–Enter.4. At the user account control prompt, select-Yes.5. On the Registry Editor, navigate to the following location-HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client6. go to the right pane, right-click and select new => DWORD(32-bit) value.7. Name the value DisabledByDefault.8. Double-click the value and enter the value data 0.9. Click-OK.10. Similarly, create a value called Enabled. And input value data 1 for this purpose.11. Close the Registry Editor and restart the computer.12. Similarly, create a value called Enabled. And input value data 1 for this purpose.13. Close the Registry Editor and restart the computer.Disclaimer: Generally, modifying registry subkeys or work group is intended for advanced users, administrators, and IT Professionals. It can help fix some problems, however, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For further protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click How to back up and restore the registry in Windows - Microsoft Support *to view the article.*If you have any progress, please feel free to contact us.
Best Regards
Nicholas.Z - MSFT | Microsoft Community Support Specialist