If some websites not loading on your Windows device, you can use the tips below to fix this problem. The issue appears in different ways: the browser may not open all the sites or only some of them, the problem can occur only in one browser on the computer or in all at once. In this case, the Internet connection is established and other programs (for example, Skype or other messengers) are working fine.
In any case, when you try to open a website, the page loads a long time and then you receive one of the following the errors: Unable to Connect, Web Page Inaccessible, ERR_ TIMED_OUT, ERR_CONNECTION_ CLOSED, Page can not be displayed, The connection has timed out.
It all depends on the browser, and the reasons for which there is no access to the site.
How to Fix Issues When Some Websites Not Loading on Windows 10 Machine?
Let’s list the typical problems, because of which some websites not loading on your Windows 10 computer:
- Problem with DNS server or DNS records;
- Incorrect TCP/IP stack settings;
- Incorrect entries in the hosts file;
- Your computer may be infected with a virus or malware;
- The browser or plugins are misconfigured;
- Routing table error;
- Wrong MTU size.
Solution 1. Problem with DNS servers or DNS records
A common reason why some websites not loading is a misconfigured DNS server or incorrect DNS records. Try to setup the primary DNS server manually by specifying the public DNS servers of Google (188.8.131.52 and 184.108.40.206).
Also, flush the DNS cache on your computer using the command:
Solution 2. Reset TCP/IP settings
Try to reset the TCP/IP network stack settings to standard. Open the Command prompt with administrator privileges and run the command:
netsh winsock reset
Restart the computer, and try to open websites that was not loading
Solution 3: Checking the Hosts File
Some viruses modify the hosts file to redirect traffic to fake sites. Check if the hosts file contains unnecessary entries (by default, the hosts files do not have static mappings between DNS names and IP addresses).
Run the command:
If you see any third-party site addresses that you can’t open, then you need to delete them and save the hosts file.
Solution 4. Check Your Computer with Antivirus
Check your computer with portable antivirus (Microsoft Safety Scanner, Avira PC Cleaner, Kaspersky Security Scan, Dr.Web CureIt).
Solution 5: Browser Problems
Check the proxy server settings in the browser (How to Fix Can’t Connect to Proxy Server on Windows 10), disable unnecessary plug-ins and extensions. Try to install a different browser (for example, if you have Chrome installed – try to use Firefox).
Check the system for loaded dll modules. Open Registry Editor and go to the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows. Find the Applnit_DLLs parameter. Its value should be empty. If it specifies the path to the dll files, manually remove these files and clear the registry value.
Solution 6: Clear the Routing Table
Some viruses can add statically entries to the routing table. Reset all static routes in the routing table (except for the default routes) with the command:
After running the command, restart the computer and try to open the website.
Solution 7. Check the MTU Value
The MTU (Maximum Transmission Unit) parameter specifies the maximum packet size that can be transmitted over the TCP/IP network without fragmentation. If you use the wrong MTU size, there may be problems with opening some sites in browsers, VoIP failures, a problem with receiving or transferring files over the network.
Check the current MTU value in your Windows system and in the settings of the router. Specify the maximum MTU size from your ISP. Most likely you use the value of MTU 1500, try to change it to 1460, or 1420. For 3G/4G USB modem it’s better to set the value to 1476.
Solution 8. Access to the Site Blocks the Antivirus or Firewall
Also, very often antiviruses and firewalls block sites that are located in their database of malicious sites. In this case, the browser will indicate that the address is blocked by the antivirus. If you still want to go to the site, you need to disable the antivirus, or add an address to the exclusions. It’s not always safe. Browsers themselves can also block malicious websites.
Solution 9. The Problem with the Website SSL Certificate
In some cases, the connection to the HTTPS site may be blocked by the system or the browser due to an incorrect, untrusted or expired certificate. Try to update the root certificates on your computer or add the site certificate to trusted (unsafe).
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