On my PC I have installed Bitdefender Internet Security 2017 plus SpyShelter Firewall. Besides of very rare BSOD, I have another strange problems: I can't go to certain website in particular. The other website are opened normally, without issues. I noticed that just as the computer starts with the processes of BD and SpyShelter, and for the first 10/15 minutes, I didn't have problems, but passed this amount of time, here are the problems. I get specifically this two type of error: "Unable to load the page" and "Unable to reach the page". The problems happen on all the browsers installed on the PC. My PC has Windows 10 64-bit, I am on the latest build of AU (14393.479). In addition to this, sometimes my browser for open a webpage, it requires a lot of time, and I have to reboot the PC to get Internet working again. At this point, I don’t understand what is the cause to these problem. Can you help me?