Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. crt.sh | example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is:sistcad.com
I ran this command:
It produced this output:
My web server is VPS Windows Server Datacenter 2016 64b IIS
The operating system my web server runs on is : Windows Server Datacenter 2016 64b
My hosting provider, if applicable, is: contabo.com
I can login to a root shell on my machine (yes)
I'm using a control panel to manage my site (Remote desktop)
I would advice you to switch to a different ACME client. See the link above where some suggestions are made or e.g. ACME Client Implementations - Let's Encrypt for some options.
You asked about installing certbot, but the error you've received shows that you've already received five certs within the past week. So what, exactly, were you doing? Be specific. Remember, we aren't mind-readers here.
Start at the beginning. What, exactly, did you do? What, exactly, was the result? A closely-related question would be who, specifically, are "they" in your last post?
Feel free--encouraged, even--to use multiple complete sentences and paragraphs in your response.
