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Fix Windows Network and Internet Problems

Comprehensive troubleshooting hub for Windows networking issues. Fix no internet, WiFi drops, DNS failures, Ethernet problems, VPN connectivity, network shares, and slow internet speed on Windows 10 and 11.

Network problems are frustrating because they cut you off from everything — web browsing, email, cloud apps, streaming, and online gaming all stop. Windows networking issues can originate from DNS misconfiguration, corrupted Winsock catalogs, WiFi power management, driver failures, firewall rules, or proxy settings. This hub covers every network-related troubleshooting guide and automated repair. Whether you have no internet at all, intermittent WiFi drops, or slow speeds — this is your starting point.

Fix Guides

Automated Repairs

Error Codes

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Troubleshooting Guides

In-depth guides with symptoms, causes, and step-by-step solutions for each problem.

Automated One-Click Repairs

These automated repairs fix the most common problems in this category with a single click.

Related Error Codes

Common Windows error codes associated with this topic. Click any code for a detailed fix guide.

0x80072EFD

WININET_E_CONNECTION_ABORTED

0x80072EFE

ERROR_INTERNET_CONNECTION_ABORTED

Browse all 160+ error codes →

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Fix These Problems Automatically

Troubleshooting Guides

No Internet Connection

WiFi Keeps Disconnecting

WiFi Connected But No Internet

DNS Server Not Responding

Ethernet Not Working

VPN Not Connecting

Mobile Hotspot Not Working

Remote Desktop Not Connecting

Network Drive Not Connecting

Mapped Network Drives Disconnecting

Network Adapter Missing

Ethernet Running Slow

Network Share Access Denied

Slow DNS Resolution

5GHz WiFi Not Showing

Ethernet Limited Connectivity

Remote Desktop Black Screen

DNS Cache Issues / Wrong Redirects

Proxy Settings Wrong / VPN Residue

Quick Assist Not Working

Network Reset Broke Internet

Nearby Sharing Not Working

Quick Assist Not Connecting

Miracast Wireless Display Not Working

Offline Files Sync Failed

Credential Manager Not Saving

Remote Desktop Laggy / Slow

WiFi Direct Not Working

Sandbox No Internet

WSL Network Not Working

OneDrive Upload Blocked

Error 0x80048820 Sign-In Failed

Network Drives Disconnecting

Phone Link Not Working

Error 0x800706BA RPC Unavailable

Error 0x80072F8F SSL/TLS

Error 0x80244022 Update Server

Error 0x80070035 Network Path Not Found

Error 0x80072EE7 Server Not Resolved

Default Gateway Not Available

Error 0x800704CF Network Unreachable

Ethernet Unidentified Network

Error 0x80070036 Network Share Nested

Mapped Drive Disconnecting

Error 0x80070037 Network Resource Unavailable

Error 0x80070039 Network Name Limit

Nearby Sharing Not Working

Error 0x8007003A Network Server Unavailable

Phone Link Not Connecting

Error 0x8007003B Unexpected Network Error

Error 0x8007003C Network Connection Refused

Error 0x8007003D Network Print Job Failed

Error 0x8007003E Network Data Fault

Error 0x8007003F Network Request Not Accepted

Error 0x80070040 Network Session Limit Exceeded

Error 0x80070041 Network Retry Limit Exceeded

Error 0x80070042 Update Service Request Timeout

Error 0x80070043 Network Name Cannot Be Found

Error 0x80070044 Network Name Limit Exceeded

Error 0x800704A0 Operation Could Not Complete in Time

Error 0x80070045 Network Session Has Been Disconnected

Error 0x80070046 Sharing Paused

Error 0x80070047 Too Many Semaphores Requested

Error 0x80070048 Invalid Network Response

Error 0x80070049 Duplicate Network Name

Error 0x8007004A Too Many Semaphores Set

Phone Link Photos Not Syncing

Error 0x8007004C Network Access Denied

Error 0x8007004B Network Path Not Found

Error 0x800704AA Cluster Node Already Member

Error 0x800704AB Cluster Join In Progress

Error 0x800704AC Cluster Network Not Internal

Error 0x8007004D Inter-Process Communication Error

Error 0x800704AD Cluster Poisoned

Error 0x800704AE Cluster Resource Online Pending

Error 0x800704AF Cluster Node Shutting Down

Error 0x8007004E Network Request Not Accepted

Error 0x800704B0 Cluster Network Already Online