Be wary if your default page keeps getting redirected to this website – search.freedailymanualstab.com because a browser hijacker may have infiltrated your PC. The Free Daily Manuals tab actually promotes search engines for online manuals but this browser hijacker will attempt to commandeer your browser search and homepage. It will send you to malicious websites to get money from you or infect your computer further. Furthermore, it may also prevent you from changing your settings back.
Browser hijackers like search.freedailymanualstab.com is usually installed through bundled software without you knowing. In this case, it’s the Free Daily Manuals browser extension. You have to remove it immediately.