When you open your browser, do you get redirected to the website loader-web.com? If you do, then a browser hijacker may be causing these redirects. Be wary because loader-web.com has been found to be a browser hijacker that will attempt to commandeer your browser search and homepage. Once installed, it will send you to malicious websites to get money from you or infect your computer further. It may also prevent you from changing your settings back.
Loader-web.com is usually installed through bundled software without you knowing. Remove it immediately.