Error map
CredSSP encryption oracle remediation Remote Desktop: An authentication error has occurred. The function requested is not supported. This could be due to CredSSP encryption oracle remediation
Windows · layer 6, Platform & cloud
Centre: this error. First ring: errors it is linked with (12). Outer ring: what those are linked with. Colours show the layer of a request each error belongs to. Click any dot to re-centre the map on it; hover to follow its connections. The centre dot opens the error page.
Directly related (12)
Windows Error 0x80070005 (E_ACCESSDENIED): Access is denied
Windows refused an operation because the account or process lacks permission — seen in Windows Update, installers, Task Scheduler…
WordPress: 403 Forbidden on wp-admin, wp-login.php or admin-ajax.php
The server or a security layer refused access to WordPress admin URLs — file permissions, a security plugin/WAF rule, ModSecurity…
AADSTS50053: Your account is locked (Smart Lockout) / sign-in blocked due to suspicious activity
Too many failed sign-ins (or sign-ins from a malicious IP) triggered Entra Smart Lockout.
Webhook signature verification failed (Stripe, Razorpay, GitHub…)
Your endpoint computed a different HMAC signature than the one the provider sent, so the webhook is rejected.
java.lang.SecurityException: Permission Denial ... requires android.permission.X
The app called an API that needs a permission it hasn’t declared or the user hasn’t granted at runtime.
macOS: “App” is damaged and can’t be opened. You should move it to the Trash.
Gatekeeper blocked an app that isn’t properly signed/notarized or was modified after download (quarantine attribute).
0x800704EC: This program is blocked by group policy (Windows Defender)
Windows Security/Defender can’t start because another antivirus or a group policy has turned it off.
File cannot be loaded because running scripts is disabled on this system (PowerShell execution policy)
PowerShell’s execution policy blocks .ps1 scripts — including npm/yarn/pnpm shims like npm.ps1.
Windows protected your PC — Microsoft Defender SmartScreen prevented an unrecognized app from starting
SmartScreen blocked an app that’s unsigned or new/rare (no download reputation yet).
ASP.NET Core: The antiforgery token could not be decrypted / The required antiforgery cookie is not present (400 Bad Request)
Form POST failed antiforgery validation — the token is missing, the cookie is missing, or Data Protection keys changed so old tok…
JWT error: invalid algorithm / The specified alg value is not allowed / jwt signature is required
The token’s alg header doesn’t match the algorithms the verifier allows — e.g. RS256 token verified as HS256, or an unsigned (alg…
ForbiddenError: invalid csrf token (EBADCSRFTOKEN)
The request’s CSRF token is missing or doesn’t match the token tied to the user’s session/cookie.
Two steps away (31)
Linux: Permission denied
Your user (or the service user) lacks read/write/execute permission on a file, directory or one of its parents.
HTTP 403 Forbidden
The server understood the request but refuses to authorize it — you (or the server process) are not allowed to access this resour…
Windows Error 0x80070002: The system cannot find the file specified
A file or registry entry Windows expected is missing — common in Windows Update, backups and app installs.
WordPress: Sorry, you are not allowed to access this page.
Your user role lacks the capability for that admin screen — or the database table prefix / user capabilities are out of sync afte…
Cloudflare Error 1020: Access Denied
A Cloudflare firewall/WAF custom rule blocked the request — the visitor’s IP, country, user agent or request pattern matched a bl…
FastCGI sent in stderr: "Primary script unknown"
Nginx passed a script path to PHP-FPM that PHP-FPM couldn’t find — usually a wrong SCRIPT_FILENAME or root.
Error creating: pods is forbidden: violates PodSecurity "restricted:latest": allowPrivilegeEscalation != false ...
The namespace enforces a Pod Security Standard (baseline/restricted) and the pod spec breaks one of its rules.
WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! (ssh host key changed)
The server’s SSH host key differs from the one saved in ~/.ssh/known_hosts — usually because the server was rebuilt or the IP was…
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY
apt can’t verify a repository’s signature because the repo’s signing key isn’t installed (or has expired/rotated).
HTTP 400 Bad Request
The server could not understand the request because its syntax, headers or body are malformed or invalid.
HTTP 401 Unauthorized
The request has no valid authentication credentials — you need to log in or send a valid token.
AWS: SignatureDoesNotMatch / InvalidClientTokenId — the request signature we calculated does not match
AWS rejected the request signature — wrong secret key, wrong region, clock skew, or a presigned URL used differently from how it…
npm ERR! code EACCES — permission denied
npm can’t write to a directory — usually global installs into a root-owned folder.
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
The docker CLI can’t talk to the Docker engine — it isn’t running, or your user can’t access the socket.
OAuth 2.0 Error: invalid_scope / insufficient_scope
The requested scope is unknown or not allowed for this client — or the token lacks the scope the API endpoint requires.
SELinux is preventing ... / avc: denied { read } for pid=... (permission denied despite correct permissions)
SELinux blocked the access — file permissions look fine, but the file’s security context or a boolean doesn’t allow the service t…
Cloudflare Error 1005: Access denied — The owner of this website has banned the autonomous system number (ASN) your IP address is in
The site owner blocked your network provider (ASN) — common for VPNs, cloud/data-center IPs and some mobile carriers.
Cloudflare Error 1006 / 1007 / 1008: Access denied — Your IP address has been banned
The site owner (or a Cloudflare security setting) blocked your IP address.
Windows Update error 0x80070422 (service is disabled)
Windows Update (or the Microsoft Store/Defender) can’t run because a required service — usually Windows Update (wuauserv) — is di…
bash: command not found
The shell can’t find an executable with that name in any directory on your PATH.
Xcode: No signing certificate "iOS Development" found
Xcode can’t find a valid code-signing certificate + private key for the selected team in your keychain.
This app can't run on your PC — To find a version for your PC, check with the software publisher
The program was built for another architecture (32/64-bit, ARM) or is blocked by S mode/compatibility, or the file is corrupt.
Laravel: 419 Page Expired (CSRF token mismatch)
Laravel rejected a POST because the CSRF token was missing, expired or didn’t match the session.
Forbidden (403) CSRF verification failed. Request aborted.
Django rejected a POST because the CSRF token was missing, wrong, or the request origin isn’t trusted.
Cloudflare Error 1009: Access denied — The owner of this website has banned the country or region your IP address is in
The site blocks visitors from your country/region.
JWT Expired / Invalid Token
The JSON Web Token sent with the request is expired, malformed or signed with a different key, so the API rejects it (usually wit…
invalid_token: The access token is invalid (JsonWebTokenError: invalid signature / jwt malformed)
A token was sent but the server couldn’t verify it — bad signature, malformed, revoked, or issued for another audience or environ…
Cloudflare Error 1010: The owner of this website has banned your access based on your browser's signature
Cloudflare’s bot detection blocked the request because its browser fingerprint looks automated.
AWS: ExpiredToken — The security token included in the request is expired
Temporary AWS credentials (STS/SSO/assumed role) have expired.
Warning: session_start(): Session cannot be started after headers have already been sent
session_start() ran after output was sent, so PHP can’t set the session cookie.
Warning: session_start(): open(/var/lib/php/sessions/sess_x, O_RDWR) failed: Permission denied
PHP can’t write session files to the configured session.save_path.
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