Event ID 1000ErrorApplication
Windows Event ID 1000 — Application Error
Logged by the Application Error Reporting service when an application crashes with an unhandled exception.
Why It Matters
Repeated crashes of the same application indicate bugs, compatibility issues, or deliberate interference. Crashes of security tools (AV engines, EDR agents) may indicate tampering.
Key Fields
Application NameThe crashing application
Faulting Module NameThe DLL or component that triggered the fault
Exception Code0xc0000005 (access violation) is most common
Investigation Tips
- 1.Persistent crashes of security tools warrant investigation for deliberate process termination.
- 2.Crashes after software updates are often compatibility issues — check the update timeline.
Related Event IDs
1001Windows Error Reporting — more detailed crash analysis
See Event ID 1000 in your logs
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