⚠️ 3 verified solutions available for Error 240 — Last updated 2026-03-13
Error 240 📋

How to Fix ERROR_VC_DISCONNECTED (Error 240)

Error 240, or ERROR_VC_DISCONNECTED, occurs when a session is canceled, often due to a disconnection or interruption. This error can happen in various Windows applications and services, causing inconvenience and disruption. It's essential to identify the root cause and apply the appropriate solution to resolve the issue.

🏷️ Code: 240 📛 ERROR_VC_DISCONNECTED 📅 Updated: 2026-03-13 ⏱️ 3 Solutions

🎮 Common Scenario: Are you experiencing Error 240 while launching or installing AutoCAD? The solutions below directly address the system interactions specific to this application.

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Download our advanced, custom-built Smart Diagnostic Script (.bat). It safely creates a System Restore Point, applies targeted fixes based on advanced diagnostics for Error 240, and generates a detailed HTML repair report.

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💡 What is Error 240?

The impact of the ERROR_VC_DISCONNECTED error can vary depending on the context in which it occurs. In some cases, the error may be a minor inconvenience, while in other situations, it can cause significant disruption to work or other activities. For example, if the error occurs during a remote desktop session, the user may lose access to important resources or data. Similarly, if the error happens during a VPN connection, the user may be exposed to security risks or lose access to restricted resources. Therefore, it's essential to address the error promptly and take steps to prevent future occurrences.

⚠️ Common Causes

  • Network connectivity issues, such as a lost internet connection or a faulty network adapter
  • Server-side problems, such as a crashed or overloaded server
  • Software glitches or compatibility issues, such as a corrupted system file or a mismatched driver

Step-by-Step Solutions

1 Restart the affected application or service
  1. Close the application or service
  2. Wait for 30 seconds to allow any pending operations to complete
  3. Restart the application or service
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2 Check and update network drivers
  1. Open the Device Manager
  2. Expand the Network Adapters section
  3. Update the drivers for the relevant network adapter
3 Perform a system restore
  1. Open the Control Panel
  2. Click on Recovery
  3. Select Open System Restore

🛡️ Prevention Tips

  • Regularly update Windows and installed software
  • Use a reliable antivirus program to protect against malware
  • Monitor system resources and network connectivity to detect potential issues early
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Last updated: 2026-03-13
📖
Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-13.
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