I had a first error and ive installed php and enabled the module and now i can see the website the problem i find now is if i try to click on Log in; register it doesnt matter where this error shows up

HTTP Error 404.0 - Not Found
The resource you are looking for has been removed, had its name changed, or is temporarily unavailable.

Most likely causes:
The directory or file specified does not exist on the Web server.
The URL contains a typographical error.
A custom filter or module, such as URLScan, restricts access to the file.

Detailed Error Information:
Module IIS Web Core
Notification MapRequestHandler
Handler StaticFile
Error Code 0x80070002
Requested URL http:/............:8081/login
Physical Path C:\inetpub\wwwroot\login
Logon Method Anonymous
Logon User Anonymous