ErrorFindly
0x8007007ASystemLow

Error 0x8007007A — Insufficient Buffer (ERROR_INSUFFICIENT_BUFFER) | Windows System Error Fix

Windows 11Windows 10Windows Server 2022

What Does 0x8007007A Mean?

The data area passed to a system call is too small.

Real-World Causes

  1. 1Application allocating too small a buffer for API results
  2. 2API returns more data than the caller expected
  3. 3Path or string longer than the buffer allocated
  4. 4Application bug in buffer size calculation

Symptoms

  • ⚠Application fails during data retrieval operations
  • ⚠API calls return errors about buffer size
  • ⚠Usually an internal error not directly visible to users
  • ⚠May manifest as application feature failures

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Update the application to the latest version
  2. 2Restart the application
  3. 3Shorten file paths if the error occurs with long paths
  4. 4Reinstall the application

Advanced Fix

For experienced users and IT professionals

  1. 1This is typically an application bug — report to the developer
  2. 2Enable long path support if path length is the issue

Frequently Asked Questions

Is this error visible to regular users?
Usually not directly. Applications typically handle this internally by retrying with a larger buffer. If it surfaces as a user-visible error, it indicates a bug in the application.

Related Error Codes

0x800700CEFilename Too Long (ERROR_FILENAME_EXCED_RANGE)0x8007007BInvalid Name (ERROR_INVALID_NAME)

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.