Windows errors can be frustrating, especially when you come across a specific code like ERROR_105. This error often disrupts your workflow and can leave you scratching your head. But don’t worry—this step-by-step guide is here to help you understand the root of the problem and fix ERROR_105 quickly and efficiently.
What is Windows Error Code ERROR_105?
Before diving into the fix, let’s break down what ERROR_105 means. This error usually signifies a network-related issue, such as a failure to connect to a server, DNS problems, or misconfigured network settings that prevent your computer from accessing the internet or specific resources.
Common Causes of ERROR_105
-
DNS Server Issues
Your system can’t resolve the website or server address due to DNS problems. -
Network Driver Problems
Outdated or corrupted network drivers can interfere with your connectivity. -
Firewall or Security Software Blocking Connections
Sometimes your firewall or antivirus software blocks legitimate connections. - ISP or Router Issues
Problems with your internet provider or home router can also trigger ERROR_105.
How to Fix ERROR_105: Step-by-Step Guide
Step 1: Restart Your Computer and Network Devices
Often, a simple restart can resolve many connectivity errors.
- Restart your PC: Close all applications and reboot.
- Power cycle your router and modem: Unplug them, wait 30 seconds, then plug them back in.
Step 2: Check Your Internet Connection
Make sure your internet is working:
- Connect another device to your network.
- Open a different website or service to verify connectivity.
If the internet works on other devices, move on to the next steps.
Step 3: Flush DNS Cache
Flushing your DNS resolver cache clears out outdated or corrupt information that could be causing ERROR_105.
How to do this:
- Press
Windows + Sand type cmd. - Right-click Command Prompt, then select Run as administrator.
-
In the command prompt window, type:
ipconfig /flushdns
- Press Enter.
- You should see a message confirming that the DNS Resolver Cache was successfully flushed.
Step 4: Change Your DNS Server
Switching to a public DNS service like Google DNS or Cloudflare can often resolve ERROR_105.
Here’s how to change your DNS:
- Press
Windows + R, typencpa.cpl, and press Enter. - Right-click your active network connection and select Properties.
- Scroll to Internet Protocol Version 4 (TCP/IPv4) and click Properties.
-
Select Use the following DNS server addresses:
- Preferred DNS server:
8.8.8.8 - Alternate DNS server:
8.8.4.4
(These are Google’s public DNS servers.)
- Preferred DNS server:
- Click OK, then Close.
- Test if the error persists.
Step 5: Update Network Drivers
Outdated or corrupt network drivers can cause connectivity issues.
To update your drivers:
- Press
Windows + Xand select Device Manager. - Expand the Network adapters section.
- Right-click your network adapter and select Update driver.
- Choose Search automatically for updated driver software.
- Follow the prompts to install any updates.
If no updates are found or the problem persists, visit your device manufacturer’s website to download the latest drivers manually.
Step 6: Temporarily Disable Firewall or Antivirus Software
Sometimes, your security software may block connections and lead to ERROR_105.
- Temporarily disable your antivirus or firewall.
- Retry accessing the service or website that caused the error.
Important: Remember to enable your security software after testing.
Step 7: Reset Network Settings
Resetting the network settings can fix misconfigurations that cause ERROR_105.
- Press
Windows + Ito open Settings. - Go to Network & Internet > Status.
- Scroll down and click Network reset.
- Click Reset now and confirm.
- Your PC will restart and network settings will return to default.
Additional Tips
- Run Windows Troubleshooter: Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters > Internet Connections.
- Check for Windows Updates: Sometimes, updating your OS can fix bugs related to network connectivity.
- Check your Hosts File: Sometimes entries in the hosts file block websites. You can find the hosts file at
C:\Windows\System32\drivers\etc\hosts.
Final Thoughts
Windows Error Code ERROR_105 is primarily related to network connectivity issues, but with the above steps, you can dismantle the problem layer by layer. Remember, persistence is key. If one fix doesn’t work, move on to the next until your internet connection is restored.
If you love this guide and want more easy-to-follow Windows troubleshooting help, don’t forget to bookmark this page and share it with friends facing the same issue!
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If you get stuck or need help, feel free to leave a comment below—I’m here to help you!
