Windows errors

Windows system error codes and stop codes.

CodeErrorWhat it means
0xC000007B The application was unable to start correctly (0xc000007b) A program loaded a DLL of the wrong architecture (32-bit vs 64-bit) or a corrupted runtime library.
0x80070035 0x80070035: The network path was not found (System error 53) Windows can’t reach the shared folder — name resolution, SMB settings, firewall or network discovery is preve…
User Profile Service failed the sign-in The User Profile Service failed the sign-in. User profile cannot be loaded. Windows can’t load your profile — the profile registry entry or NTUSER.DAT is corrupt, or the Default profile…
0x80070005 Windows Error 0x80070005 (E_ACCESSDENIED): Access is denied Windows refused an operation because the account or process lacks permission — seen in Windows Update, instal…
IRQL_NOT_LESS_OR_EQUAL Blue Screen: IRQL_NOT_LESS_OR_EQUAL (Stop code 0x0000000A) A driver accessed memory at an interrupt level where that’s not allowed — almost always a faulty or incompati…
0xC0000142 The application was unable to start correctly (0xc0000142) A DLL the program loads failed to initialise — often after an update, with corrupt runtimes, or when a deskto…
0xC0000005 The application was unable to start correctly (0xc0000005) / Exception code 0xc0000005 access violation A program tried to read or write memory it doesn’t own and Windows stopped it — buggy software, bad drivers/p…
0x80072EE7 Error 0x80072EE7 (Windows Update / Microsoft Store: server name could not be resolved) Windows can’t resolve Microsoft’s server names — DNS, hosts file, proxy or firewall problems.
Windows protected your PC 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).
0x8007007E 0x8007007E: The specified module could not be found A DLL that a program, driver or COM component needs isn’t on disk or on the DLL search path.
0x8007000D Windows error 0x8007000D (The data is invalid) Windows read update, installer or setup data that is corrupted or incomplete.
0x80070057 Windows error 0x80070057 (The parameter is incorrect) A Windows component received an invalid value — common in Windows Update, Backup, DISM (Error: 87) and disk f…
0x80070643 Windows Error 0x80070643: Fatal error during installation An MSI-based installer or update (often Defender definitions, .NET or the WinRE update KB5034441) failed duri…
0x800F0922 Windows Update error 0x800F0922 (update or .NET install failed) An update failed to install — usually because the System Reserved/EFI partition is too small, a VPN blocked t…
0x80070570 Error 0x80070570: The file or directory is corrupted and unreadable Windows can’t read a file because the disk, USB stick or installation media has corrupted data or bad sectors.
0xC1900101 Windows upgrade error 0xC1900101 (driver error, rolled back) A Windows feature update failed and rolled back because a driver crashed or was incompatible during installat…
INACCESSIBLE_BOOT_DEVICE Blue screen: INACCESSIBLE_BOOT_DEVICE (0x0000007B) Windows lost access to the system drive during boot — storage driver/controller mode change, failed update, o…
MEMORY_MANAGEMENT Blue Screen: MEMORY_MANAGEMENT (Stop code 0x0000001A) Windows detected a severe memory-management error — commonly faulty RAM, unstable memory settings or a bad dr…
VIDEO_TDR_FAILURE Blue screen: VIDEO_TDR_FAILURE (0x00000116) — nvlddmkm.sys / atikmpag.sys / igdkmd64.sys The graphics driver stopped responding and Windows couldn’t reset it in time.
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 The RDP client and server disagree on CredSSP security updates — one side is patched and enforcing, the other…
0x80070422 Windows Update error 0x80070422 (service is disabled) Windows Update (or the Microsoft Store/Defender) can’t run because a required service — usually Windows Updat…
0x8024402C Windows Update error 0x8024402C (cannot connect to update server) Windows Update can’t reach Microsoft’s servers — a proxy, DNS, firewall or WSUS setting is blocking the conne…
0x80370102 WslRegisterDistribution failed with error: 0x80370102 (virtual machine could not be started) WSL 2 can’t start its VM because hardware virtualization or the Virtual Machine Platform feature isn’t enable…
0x80070020 0x80070020: The process cannot access the file because it is being used by another process Another program has the file open (locked), so Windows can’t modify, delete or replace it.
DRIVER_POWER_STATE_FAILURE Blue screen: DRIVER_POWER_STATE_FAILURE (0x0000009F) A driver didn’t complete a power transition (sleep, wake, shutdown) in time.
The disk is write-protected The media is write protected / The disk is write-protected (USB or SD card) Windows refuses to write to the drive because a hardware lock, a read-only attribute, a policy, or a failing…
trust relationship failed The trust relationship between this workstation and the primary domain failed The computer’s machine account password no longer matches Active Directory, so domain logins fail.
VCRUNTIME140.dll VCRUNTIME140.dll was not found / MSVCP140.dll is missing The program needs the Microsoft Visual C++ 2015–2022 Redistributable, which isn’t installed (or is damaged).
Undoing changes We couldn't complete the updates. Undoing changes. Don't turn off your computer. An update failed during installation after reboot, so Windows rolled it back. The update history shows the er…
0x80070002 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.
0x80070070 Windows error 0x80070070 (There is not enough space on the disk) The update, upgrade or copy needs more free disk space than is available.
SFC unable to fix Windows Resource Protection found corrupt files but was unable to fix some of them SFC detected damaged system files but couldn’t restore them because its own source (the component store) is d…
0x800704EC 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.
Automatic Repair couldn't repair your PC Automatic Repair couldn't repair your PC — Log file: C:\Windows\System32\Logfiles\Srt\SrtTrail.txt Windows failed to boot repeatedly and Startup Repair couldn’t fix it; SrtTrail.txt records the root cause it…
CRITICAL_PROCESS_DIED Blue Screen: CRITICAL_PROCESS_DIED (Stop code 0x000000EF) A process Windows can’t run without (csrss, wininit, smss…) stopped unexpectedly, so the system halted.
KERNEL_SECURITY_CHECK_FAILURE Blue screen: KERNEL_SECURITY_CHECK_FAILURE (0x00000139) The kernel detected corruption of a critical data structure — usually a bad driver, memory issue or disk corr…
SYSTEM_SERVICE_EXCEPTION Blue screen: SYSTEM_SERVICE_EXCEPTION (0x0000003B) A system call into the kernel crashed — almost always a driver bug (graphics, audio, antivirus, VPN) or corru…
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED Blue screen: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (0x0000007E) A system thread hit an exception — caused by an incompatible or corrupted driver, typically graphics or netwo…
UNEXPECTED_STORE_EXCEPTION Blue screen: UNEXPECTED_STORE_EXCEPTION (0x00000154) The memory/store manager hit an exception — commonly a failing SSD/HDD, outdated storage drivers, or antiviru…
WHEA_UNCORRECTABLE_ERROR Blue screen: WHEA_UNCORRECTABLE_ERROR (0x00000124) The hardware reported an error Windows couldn’t recover from — CPU, RAM, overclock/undervolt, overheating or…
running scripts is disabled 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.
api-ms-win-crt-runtime-l1-1-0.dll The program can't start because api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer The Universal C Runtime (UCRT) isn’t installed — usually on older Windows 7/8.1 machines missing the KB299922…
CLOCK_WATCHDOG_TIMEOUT Blue screen: CLOCK_WATCHDOG_TIMEOUT (0x00000101) A CPU core stopped responding to clock interrupts — usually overclocking/undervolting, BIOS/microcode bugs, o…
DPC_WATCHDOG_VIOLATION Blue screen: DPC_WATCHDOG_VIOLATION (0x00000133) A driver spent too long at high priority (DPC level) — typically SSD/NVMe firmware, storage controller driver…
This app can't run on your PC 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…
0x800F081F Windows Error 0x800F081F: The source files could not be found DISM or “Turn Windows features on or off” (often .NET Framework 3.5) couldn’t find the files needed to instal…
KMODE_EXCEPTION_NOT_HANDLED Blue screen: KMODE_EXCEPTION_NOT_HANDLED (0x0000001E) A kernel-mode program raised an exception nothing handled — usually a driver; sometimes caused by Fast Startu…
PAGE_FAULT_IN_NONPAGED_AREA Blue screen: PAGE_FAULT_IN_NONPAGED_AREA (0x00000050) The kernel or a driver accessed memory that wasn’t there — faulty drivers, antivirus, RAM or disk issues.
0x80004005 Windows Error 0x80004005 (E_FAIL): Unspecified error A generic failure code — the operation failed for a reason the component didn’t report precisely. Context dec…
0x80073712 Windows Update error 0x80073712 (component store corrupted / file missing) A file Windows Update needs in the component store (WinSxS) is missing or damaged.
0xC000000F Your PC needs to be repaired: The Boot Configuration Data file is missing some required information (0xc000000f) Windows Boot Manager can’t find a valid BCD entry or boot files — after disk changes, failed updates, cloning…