I installed and ran malwarebytes and nothing was detected In the early days of Malwarebytes it used to find problems and fix them for me but in the last few years it has found nothing every time I run it. Because of this I stopped using it long ago.
Here is the error message that I got in Firefox:
What happened?
The initial connection between Cloudflare's network and the origin web server timed out. As a result, the web page can not be displayed.
What can I do?
If you're a visitor of this website:
Please try again in a few minutes.
If you're the owner of this website:
Contact your hosting provider letting them know your web server is not completing requests. An Error 522 means that the request was able to connect to your web server, but that the request didn't finish. The most likely cause is that something on your server is hogging resources.
Additional troubleshooting information here.