Independent Error Code Reference
Find Your Error Code
Clear explanations for HTTP status codes and web errors. Fast to scan, free to use, and built for quick understanding.
132+ Error Codes
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Operating System system errors and update codes explained.
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Software error codes explained — understand what went wrong.
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HTTP status codes and web errors explained for developers.
Most Common Error Codes
High severity first — the most frequently searched error codes
137
High
Process Killed — the process was terminated by a SIGKILL signal
3 common causes
11
High
Segmentation Fault (SIGSEGV) — the process accessed restricted memory
3 common causes
139
High
Segmentation Fault Exit — the process terminated due to a SIGSEGV signal
3 common causes
5
High
Input/Output Error (EIO) — a hardware-level read or write operation to a device failed
3 common causes
12
High
Out of Memory (ENOMEM) — the kernel cannot allocate the requested amount of memory
3 common causes
0x80070005
High
Access Denied
3 common causes