ErrorFindly
0x800703EBSystemHigh

Error 0x800703EB — No Access (ERROR_NOACCESS) | Windows System Error Fix

Windows 11Windows 10Windows Server 2022

What Does 0x800703EB Mean?

Invalid access to memory location. The thread attempted to read from or write to a virtual address for which it does not have access.

Real-World Causes

  1. 1Application bug causing memory access violation
  2. 2Corrupted pointer or null dereference
  3. 3DEP blocking code execution in a data page
  4. 4Faulty RAM causing address line errors

Symptoms

  • ⚠Application crashes with memory access error
  • ⚠Blue screen with memory-related stop code
  • ⚠Programs terminate unexpectedly
  • ⚠Intermittent crashes across multiple applications

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Update the crashing application
  2. 2Run Windows Memory Diagnostic
  3. 3Update device drivers
  4. 4Run 'sfc /scannow'

Advanced Fix

For experienced users and IT professionals

  1. 1Check DEP settings for the application
  2. 2Run MemTest86 for thorough memory testing
  3. 3Analyze crash dumps with WinDbg

Frequently Asked Questions

How is this different from ERROR_ACCESS_DENIED?
ERROR_NOACCESS (0x800703EB) is a low-level memory access violation — the program tried to read/write memory it should not. ERROR_ACCESS_DENIED (0x80070005) is a permission error for files, registry, or other named resources. They have different causes and fixes.

Related Error Codes

0x80070005Access Denied (ERROR_ACCESS_DENIED)0x80004005Unspecified Error (E_FAIL)

About the Author

Windows Troubleshooting Team

Verified against official Microsoft documentation and real-world diagnostic data. Error behavior confirmed across Windows 10, Windows 11, and Windows Server.