Logging in trouble

One was working just fine, all of the sudden the next day i could not log in at this url http://lapijineada.com/p-login.php, this is the message i get: Page not found
The page you are looking for might have been removed,
had its name changed, or is temporarily unavailable.
Please try the following:

If you typed the page address in the Address bar, make sure that it is spelled correctly.

– Click the Back button in your browser to try another link.
– Use a search engine like Google to look for information on the Internet.
HTTP 404 – File not found

I’ve tried: cleaning up cookies and cache, different browsers, and different internet service providers, and it’s all the same problem, i even spoke with the team where my page is hosted and this is what they told me: “We apologize for the previous response. I could replicate the issue. However, there is no issue from our end. It appears to be scripting issue. As we are hosting provider we are only responsible for hosting your files on our platform and providing the proper hosting environment. We do not provide support for the issues with third party applications, its configuration and coding. Unfortunately, we cannot do anything on this from our end. Please contact the support team of the application vendor or any web developer for further investigation on this issue.”
Please help!