Encountering Windows ERROR_305 can be frustrating, especially when it disrupts your work or leisure. Don’t worry — this guide is here to help you resolve the issue effortlessly. In this step-by-step troubleshooting article, we’ll walk you through the most effective solutions to fix ERROR_305 on your Windows PC. Let’s get you back on track!
What is Windows ERROR_305?
Before diving into the fixes, it’s important to understand what ERROR_305 means. Generally, ERROR_305 in Windows points towards a network or connection-related problem, often tied to proxy settings, network configuration, or corrupted system files. The error may manifest when trying to access the internet, connect to certain applications, or during system updates.
Step 1: Restart Your Computer
Sometimes, the simplest fixes work wonders. Before anything else, try restarting your Windows PC.
- Click Start.
- Select Power > Restart.
- Once rebooted, check if ERROR_305 persists.
Why? Restarting clears temporary glitches and refreshes system processes.
Step 2: Check Your Internet Connection
A weak or disconnected internet connection is a common culprit.
- Ensure your device is properly connected via Wi-Fi or Ethernet.
- Try accessing some popular websites.
- Run the Windows Network Troubleshooter:
- Type Settings in the search bar and open it.
- Go to Network & Internet > Status.
- Click Network troubleshooter and follow prompts.
Tip: If the troubleshooter finds problems, let it attempt repairs.
Step 3: Disable Proxy Settings
Incorrect proxy settings can trigger ERROR_305, particularly with network-related errors.
Here’s how to disable proxy:
- Press Windows + R, type
inetcpl.cpl, and hit Enter. This opens Internet Properties. - Navigate to the Connections tab.
- Click LAN settings.
- Uncheck the box labeled Use a proxy server for your LAN.
- Ensure Automatically detect settings is checked.
- Click OK and then Apply.
Try reconnecting to your network or re-launching the problematic app.
Step 4: Reset Network Configuration via Command Prompt
Resetting your network stack can resolve underlying TCP/IP issues causing the error.
- Open Command Prompt as an administrator:
- Press Windows key, type
cmd. - Right-click Command Prompt and select Run as administrator.
- Press Windows key, type
-
Type the following commands one by one, pressing Enter after each:
netsh winsock reset
netsh int ip reset
ipconfig /release
ipconfig /renew
ipconfig /flushdns - Restart your computer to apply changes.
Step 5: Run System File Checker (SFC) and DISM Tools
Corrupt or missing system files can cause error codes like ERROR_305. Running SFC and DISM helps repair these files.
- Open Command Prompt as administrator.
-
Type and press Enter:
sfc /scannow
- Wait for the process to complete—it could take several minutes.
-
If issues were found but not fixed, run DISM:
DISM /Online /Cleanup-Image /RestoreHealth
- Restart your PC after completion.
Step 6: Update or Roll Back Network Drivers
Outdated or incompatible network drivers might be responsible.
To update drivers:
- Press Windows + X, select Device Manager.
- Expand Network adapters.
- Right-click your network device, select Update driver.
- Choose Search automatically for updated driver software.
To roll back drivers (if issue started recently):
- Open Device Manager.
- Right-click your network adapter.
- Select Properties > Driver tab.
- Click Roll Back Driver (if available).
Step 7: Check Windows Update for Pending Fixes
Microsoft periodically releases patches for known bugs.
- Go to Settings > Update & Security > Windows Update.
- Click Check for updates.
- Install any available updates.
- Restart your computer.
Step 8: Perform a System Restore (Last Resort)
If ERROR_305 started appearing recently, a system restore might undo critical changes causing the problem.
- Press Windows + R, type
rstruiand hit Enter. - Follow the wizard to select a restore point before the error occurred.
- Confirm and let Windows restore your system.
Note: This will not affect your personal files but may uninstall recent apps.
Final Thoughts
Experiencing Windows ERROR_305 doesn’t have to derail your day. By following this detailed troubleshooting guide, you can methodically identify and fix the root cause, whether it’s network settings, corrupted files, or driver issues. Remember to always back up important data before making significant changes, and take it one step at a time.
If the error persists after trying all these steps, consider reaching out to Microsoft Support or a professional technician.
FAQs About Windows ERROR_305
Q: Is ERROR_305 caused by malware?
A: While uncommon, malware can affect network settings or system files. Running a full system antivirus scan is recommended if you suspect malicious activity.
Q: Can I use third-party repair tools for this error?
A: Some tools might help but always download from reputable sources to avoid security risks.
If this guide helped you, don’t forget to share it with friends or colleagues facing similar issues! Stay safe and connected.
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If you want, I can also help with a quick video tutorial or printable checklist. Just ask!
