404 Not Found Medium
Web Browser
The page you're looking for doesn't exist on this server.
500 Internal Server Error High
Web Server
Something broke on the website's server — it's not your fault.
403 Forbidden Medium
Web Browser
The server understood your request but is refusing to allow access.
503 Service Unavailable High
Web Server
The server is temporarily unable to handle the request.
0x80070005 Access Denied Medium
Windows
Windows was denied permission to access a file, folder, or registry key.
0x80004005 Unspecified Error Medium
Windows
Windows encountered an unspecified error — usually a permission or access issue.
0x8007000e Out of Memory High
Windows
Windows ran out of memory to complete the operation.
0xc0000005 Access Violation High
Windows
A program tried to access memory it doesn't have permission to use.
NW-2-5 Low
Netflix
Netflix can't connect to the internet on this device.
NW-3-6 Low
Netflix
Netflix can't connect — usually a network or DNS issue.
EACCES Permission Denied Medium
Linux / Node.js
Your process tried to access a file or port it doesn't have permission to use.
ENOENT No Such File or Directory Low
Node.js / Linux
The file or directory your program is looking for doesn't exist.
SSL_ERROR_RX_RECORD_TOO_LONG Medium
Firefox / Browser
Your browser received an oversized or malformed SSL response.
ERR_CONNECTION_REFUSED Medium
Chrome / Browser
Your browser couldn't connect — the server actively refused the connection.
ERR_NAME_NOT_RESOLVED Medium
Chrome / Browser
Chrome couldn't find the IP address for the website you're trying to visit.
DNS_PROBE_FINISHED_NXDOMAIN Medium
Chrome / Browser
The domain name doesn't exist or couldn't be resolved by DNS.
IRQL_NOT_LESS_OR_EQUAL High
Windows BSOD
Windows crashed because a driver tried to access invalid memory.
PAGE_FAULT_IN_NONPAGED_AREA High
Windows BSOD
Windows tried to access memory that wasn't available — a critical crash.
CRITICAL_PROCESS_DIED High
Windows BSOD
A critical Windows system process stopped unexpectedly, causing a crash.
SYSTEM_SERVICE_EXCEPTION High
Windows BSOD
A system service threw an exception that Windows couldn't handle.
ORA-00942 Table or View Does Not Exist Medium
Oracle Database
Oracle can't find the table or view you're querying.
ORA-01017 Invalid Username/Password Low
Oracle Database
Oracle rejected your login — username or password is wrong.
MySQL Error 1045 Access Denied Medium
MySQL
MySQL rejected your login — wrong username, password, or host.
MySQL Error 1064 Syntax Error Low
MySQL
MySQL found a syntax error in your SQL query.
npm ERR! ENOENT Low
Node.js / npm
npm can't find the file it's looking for — usually package.json.
npm ERR! code EINTEGRITY Low
Node.js / npm
npm found a corrupted or mismatched package in its cache.
git fatal: not a git repository Low
Git
You ran a git command in a folder that isn't a git repository.
Git Merge Conflict Medium
Git
Git can't automatically merge changes because two branches edited the same lines...
Docker Daemon Not Running Medium
Docker
Docker commands aren't working because the Docker engine isn't running.
ModuleNotFoundError Low
Python
Python can't find the module you're trying to import.
SyntaxError: invalid syntax Low
Python
Python found code it can't parse — a syntax mistake in your script.
CE-34878-0 Medium
PlayStation 4
The PS4 game or application has crashed unexpectedly.
WS-37368-7 Medium
PlayStation Network
Your PlayStation Network account has been banned or suspended.
0x87e11838 Medium
Xbox
The Xbox game or app can't be launched — usually a licence or install issue.
Error 492 Low
Android / Google Play
Google Play can't install the app because of a Dalvik cache issue.
0xE8000015 Low
iTunes / iOS
iTunes can't connect to your iPhone or iPad.
SSL Certificate Error Medium
Web Browser
Your browser can't verify the website's security certificate.
CORS Policy Blocked Medium
Web Browser / API
The browser blocked a request because the server doesn't allow it from your doma...
ERR_TOO_MANY_REDIRECTS Low
Chrome / Browser
The page kept redirecting itself in a loop and Chrome gave up.
MEMORY_MANAGEMENT High
Windows BSOD
Windows detected a serious memory error and crashed to prevent damage.
KERNEL_SECURITY_CHECK_FAILURE High
Windows BSOD
Windows detected a security violation in kernel memory.
DPC_WATCHDOG_VIOLATION High
Windows BSOD
A driver or hardware component took too long to respond.
WHEA_UNCORRECTABLE_ERROR High
Windows BSOD
A hardware error occurred that Windows couldn't recover from.
TVQ-ST-131 Low
Disney+
Disney+ can't connect to its servers on this device.
AP3A3 Low
Hulu
Hulu can't play the content — usually a device or account issue.
VAC Was Unable to Authenticate High
Steam
Steam's anti-cheat system couldn't verify your game session.
Steam Disk Write Error Medium
Steam
Steam can't write game files to your hard drive.
0x80070570 File Corrupt or Unreadable Medium
Windows
Windows can't read a file because it's corrupted or the storage device has error...
ERR_SSL_PROTOCOL_ERROR Medium
Chrome / Browser
Chrome can't establish a secure SSL connection to the website.
0xC004F074 Windows Activation High
Windows
Windows couldn't activate because it couldn't contact Microsoft's activation ser...
ERR_NETWORK_CHANGED Low
Chrome / Browser
Your network connection changed while the page was loading and Chrome lost conne...
Exception Access Violation (0xc0000005) High
Windows Application
A program tried to access memory it doesn't own — causing a crash.