Windows Errors

0X800B0009

Fix 0x800B0009 PERSIST_E_SIZEDEFINITE: Data Size Error

Error 0x800B0009 means Windows can't figure out how big some data is, usually during certificate or ...

Intermediate 👁 33 May 27, 2026

0X000021C7

Fix ERROR_DS_SPN_VALUE_NOT_UNIQUE_IN_FOREST (0X000021C7)

Duplicate SPNs in Active Directory cause this error when a service fails to authenticate. The culpri...

Intermediate 👁 43 May 27, 2026

0XC01E0510

0XC01E0510: OPM Theater Mode Fix for HDMI Outputs

This error pops up when Windows thinks your monitor is a movie theater. The fix is resetting the OPM...

Intermediate 👁 34 May 27, 2026

0XC00D278E

NS_DRM_E_MIGRATION_IMAGE_ALREADY_EXISTS (0XC00D278E) Fix

That error means Windows Media DRM already has a migration file from a previous hardware change. Del...

Intermediate 👁 35 May 27, 2026

0XC01E034A

Fix STATUS_GRAPHICS_MODE_NOT_IN_MODESET (0XC01E034A) Error

This error means Windows can't apply a display mode because the driver's mode list is corrupted or i...

Intermediate 👁 50 May 27, 2026

0X0000044C

Tape Drive Hitting End of Media (0X0000044C) — Real Fix

Your tape backup failed with 0X0000044C because Windows thinks the tape is full. The fix is usually ...

Intermediate 👁 41 May 27, 2026

0XC0150005

STATUS_SXS_MANIFEST_FORMAT_ERROR 0XC0150005 Fix

A side-by-side manifest file is missing or corrupted. Usually happens after bad software installs or...

Intermediate 👁 35 May 27, 2026

0XC00D1BCE

Fix NS_E_MULTIPLE_SCRIPT_BITRATES (0XC00D1BCE) in 3 Steps

This Windows Media Encoder error means your stream's script bit rates don't match. Fix it in under 3...

Intermediate 👁 33 May 27, 2026

0X000019DD

ERROR_LOG_POLICY_INVALID (0X000019DD) Fixes for Windows

This error means Windows Event Log policies got corrupted. Usually from a bad shutdown or disk error...

Intermediate 👁 29 May 27, 2026

0XC0000308

0XC0000308: DVD copy protection session key missing

Your PC can't play this DVD because the copy protection session key wasn't established. Usually a dr...

Intermediate 👁 32 May 27, 2026

0X80340005

Fix NDIS Bad Characteristics Error 0x80340005 on Windows

This error pops up when a network driver has a corrupted or mismatched characteristics table. It's a...

Intermediate 👁 70 May 27, 2026

0X8004D105

Fix XACT_E_PROTOCOL (0x8004D105) MSDTC error

You see this when a COM+ or MSDTC call doesn't match protocol state. The fix is resetting the MSDTC ...

Intermediate 👁 38 May 27, 2026

0X000000C3

Fix ERROR_INVALID_MINALLOCSIZE (0x000000C3) on Windows

This error means Windows can't run a program because the system's minimum allocation size setting is...

Intermediate 👁 35 May 27, 2026

0XC00D002C

Fix NS_E_INSUFFICIENT_BANDWIDTH (0xC00D002C) – Not Enough Bandwidth

Windows Media Player or related apps hit this when streaming—it's not your internet speed, it's a ne...

Intermediate 👁 29 May 27, 2026

0X0000219C

0X0000219C: Writable NCs Block DC Demotion – Fix It

Active Directory won't let you demote a domain controller because it still holds writable copies of ...

Advanced 👁 38 May 27, 2026

0X80028029

Fix TYPE_E_INVALIDSTATE (0X80028029) Error Fast

This error means Windows can't find or parse a registered type library. Usually from a broken COM ob...

Intermediate 👁 28 May 27, 2026

0X8004E026

CONTEXT_E_NOJIT (0x8004E026) Fix — COM+ JIT Activation Error

COM+ component needs JIT activation but the context isn't set. Usually happens in IIS-hosted ASP.NET...

Intermediate 👁 32 May 27, 2026

0X801F0017

Fix 0x801F0017: Invalid Filter Context Registration

This Windows error pops up when a filter driver registers an invalid context. Usually caused by a br...

Intermediate 👁 54 May 27, 2026

0XC00D151B

NS_E_INVALID_PUSH_PUBLISHING_POINT (0XC00D151B) Fix

This Windows Media Services error means your push publishing point is misconfigured or blocked. I'll...

Intermediate 👁 39 May 27, 2026

0XC0000421

STATUS_VERIFIER_STOP (0xC0000421) — App Verifier hit a real problem

App Verifier caught an invalid memory access or handle misuse in your process. 99% of the time it's ...

Intermediate 👁 42 May 27, 2026

0XC000029A

Fix STATUS_POLICY_OBJECT_NOT_FOUND 0XC000029A on Windows

This error means a local or group policy object is missing or corrupted. Usually shows up during log...

Intermediate 👁 38 May 27, 2026

0X0000091B

0X0000091B: Operation Invalid for This Device – Quick Fix

This error means Windows can't perform the operation on that device. Usually a driver conflict or co...

Intermediate 👁 36 May 27, 2026

0XC00D11BF

Fix NS_E_WMP_GOFULLSCREEN_FAILED (0XC00D11BF) in Windows Media Player

Windows Media Player won't go full screen? Here's how to fix that 0XC00D11BF error fast. Start with ...

Beginner 👁 40 May 27, 2026

0XC022000B

STATUS_FWP_DYNAMIC_SESSION_IN_PROGRESS fix that actually works

You're getting this firewall error when a Windows Filtering Platform session is already open. Here's...

Intermediate 👁 39 May 27, 2026