How to Fix Windows Cannot Access Error in LAN

This practical guide walks through how to fix Windows cannot access error in LAN, explains the main requirements, and highlights common issues that may appear along the way.

1. Use the self-diagnosis feature

Step 1: After receiving the error message as shown below, click Diagnose .

Then, the debugging will automatically proceed.

Step 2: After error scan is completed, click on Try these repairs as an administration .

Select Apply this fix .

Click Close to close the diagnostic and try to connect to another machine on the network.

2. Switch your Public network settings to private

On Windows 7

Step 1: Click on Network (1) => Open Network and Sharing Center (2) .

Step 2: Click on Public network .

Step 3: You can choose Home network or Work network . Then, the network will automatically change from Public to Home network or Work network .

If there is a notice to share in Workgroup, click Cancel to cancel and set it up later.

On Windows 10

Step 1: Click on Network (1) => Network & Internet settings (2) .

Step 2: Click on Ethernet (1) => Network (2) .

Step 3: You tick Private .

3. Enable TCP / IP NetBIOS Helper service

Step 1: Press the Windows + R key combination to open the Run dialog box . Next, enter the command services.msc (1) => OK (2) .

Step 2: Find and right-click the TCP / IP service NetBIOS Helper (1) => Start (2) .

4. Turn off firewall

Firewalls are really useful because they are your gateway to protect your computer against intruders. However, a firewall also causes your computer to be unable to access other computers on the LAN.

On Windows 7

Step 1: Go to Start (1) => search with the keyword Firewall (2) => Windows Firewall (3) .

Step 2: Select Turn Windows Firewall on or off .

Step 3: Select Turn off Windows Firewall (1) => OK (2) .

On Windows 10

Step 1: You click on Search (1) or use the keyboard shortcut Windows + S to open. Next, you enter the keyword firewall (2) => Windows Defender Firewall (3) .

Step 2: Select Turn Windows Defender Firewall on or off .

Step 3: Check Turn off Windows Defender Firewall (1) => OK (2) .

5. Turn off error setting when no password is set

If the machine does not set a password for the User Account, an error may arise during the access. The treatment is as follows:

On Windows 7

Step 1: Click on Network (1) => Open Network and Sharing Center (2) .

Step 2: Choose Change advanced sharing settings .

Step 3: Select Home or Work (current profile) (1) => Turn off password protected sharing (2) => Save changes (3) .

On Windows 10

Step 1: Click on Network (1) => Network & Internet settings (2) .

Step 2: Select Network and Sharing Center .

Select Change advanced sharing settings .

Step 3: Click on All Networks (1) => Turn off password protected sharing (2) => Save changes (3) .

6. Set up a Guest account

Step 1: Right-click This PC (1) => Manage (2) .

Step 2: Select Local Users and Groups (1) => choose Users (2) => right click on Guest (3) => Properties (4) .

Step 3: You set as shown below (1) => Apply => OK (3) .

With the solutions in this article, you will no longer have the error Windows Cannot Access hindering you. Good luck!

Key Takeaways

Use the information above as a practical reference for how to fix Windows cannot access error in LAN. Review each step carefully, confirm any requirements, and choose the option that best fits your situation.

FAQ

What does this guide explain about Fix Windows Cannot Access Error in LAN?

It explains the main concepts, practical considerations, and useful steps related to fix Windows cannot access error in LAN without requiring advanced knowledge.

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This information is useful for readers who want a clear overview, practical guidance, and reliable steps related to fix Windows cannot access error in LAN.

What should I check before applying this information?

Review the requirements, confirm that your device, software, or situation matches the instructions, and back up important data before making major changes.