Error Codes

Error Code Lookup and Fixes

Have an exact error code or message? This section indexes every code in our database. Use the search tool for an instant match, or browse the list below.

Error-code database

31 codes
0x80070005Windows Error 0x80070005 (Access Denied)0x8007000DWindows Update Error 0x8007000D (Data Invalid)0x80070057Error 0x80070057 (The Parameter Is Incorrect)0x800F0922Windows Update Error 0x800F0922DPC_WATCHDOG_VIOLATIONDPC Watchdog Violation (BSOD) in WindowsKERNEL_DATA_INPAGE_ERRORKernel Data Inpage Error (BSOD) in WindowsIRQL_NOT_LESS_OR_EQUALIRQL Not Less Or Equal (BSOD) in Windows0xc000000fBoot Error 0xc000000f (Boot Configuration Data)INACCESSIBLE_BOOT_DEVICEInaccessible Boot Device (BSOD) in Windows0x800705B4Error 0x800705B4 (Operation Timed Out)0x80240034Windows Feature Update Error 0x802400340x80070643Error 0x80070643 (Fatal Error During Installation)Kernel Panica macOS Kernel Panic (“Your Computer Restarted Because of a Problem”)Error 4013 / 1008FiPhone/iPad Restore Error 4013 or 1008F in Finder“App is damaged and can’t be opened”“App Is Damaged and Can’t Be Opened” on macOS400 Bad RequestHTTP 400 Bad Request401 UnauthorizedHTTP 401 Unauthorized403 ForbiddenHTTP 403 Forbidden404 Not FoundHTTP 404 Not Found429 Too Many RequestsHTTP 429 Too Many Requests (Rate Limited)500 Internal Server ErrorHTTP 500 Internal Server Error502 Bad GatewayHTTP 502 Bad Gateway503 Service UnavailableHTTP 503 Service Unavailable504 Gateway TimeoutHTTP 504 Gateway TimeoutERR_CONNECTION_REFUSEDERR_CONNECTION_REFUSED in ChromeERR_NAME_NOT_RESOLVEDERR_NAME_NOT_RESOLVED in ChromeDNS_PROBE_FINISHED_NXDOMAINDNS_PROBE_FINISHED_NXDOMAIN in ChromeNET::ERR_CERT_AUTHORITY_INVALIDNET::ERR_CERT_AUTHORITY_INVALID (Your Connection Is Not Private)DF-DFERH-01Google Play Store Error DF-DFERH-01“Unable to Verify Update” (iOS)“Unable to Verify Update” on iPhone or iPadcom.android.phone has stopped“com.android.phone Has Stopped” on Android

Other topics

Windows

Step-by-step help for the Windows problems people hit most often — connectivity that stops working, network settings that need resetting, updates that fail, and performance that drags.

Browsers

When a browser stops loading pages, slows to a crawl, or crashes as soon as it opens, the cause is usually a handful of familiar culprits.

Internet & Networking

Most ‘the internet is down’ moments come down to Wi-Fi, DNS, or a single misbehaving device — not the whole connection.

Android & iPhone

Phone problems tend to cluster around updates, app stores and connectivity.

Security & Privacy

Security guidance that sticks to safe, mainstream advice — how to read a certificate warning, reset a browser without losing what matters, and control cookies — with no scare tactics and no dubious tools..