Windows Errors

0X800401A1

INPLACE_E_NOTOOLSPACE (0x800401A1) Fix: Not Enough Tool Space

This error hits when Windows Setup runs out of temp space during an in-place upgrade. The fix is fre...

Intermediate 👁 36 May 29, 2026

0X00002079

Fix ERROR_DS_BAD_INSTANCE_TYPE (0x00002079) in AD

The instance type stored in Active Directory doesn't match the server's role. Common on domain contr...

Intermediate 👁 20 May 29, 2026

0XC0000003

0xC0000003 STATUS_INVALID_INFO_CLASS Fix: 3 Steps

STATUS_INVALID_INFO_CLASS usually means a corrupt system file or driver mismatch. Here's how to fix ...

Beginner 👁 23 May 29, 2026

0X80093002

OSS_NEGATIVE_UINTEGER (0X80093002): The Fix That Actually Works

This error means an ASN.1 integer was negative when Windows expected unsigned. The fix is rebuilding...

Intermediate 👁 31 May 29, 2026

0XC00D28AA

NS_E_DRM_DEVICE_NOT_OPEN (0XC00D28AA) fix: device must be opened

This error means Windows Media Player or a DRM'd app tried to send content to a device that wasn't p...

Beginner 👁 31 May 29, 2026

0X0000070D

Fix ERROR_INVALID_ENVIRONMENT (0x0000070D) on Windows

This error means Windows can't read or validate an environment variable. Usually happens after softw...

Beginner 👁 24 May 29, 2026

0XC0000220

STATUS_MAPPED_ALIGNMENT (0xC0000220) — Stop This Crash Now

This error usually hits on a driver or disk access. It means the system tried to read/write memory a...

Intermediate 👁 34 May 29, 2026

Spooler subsystem app has stopped working

Print spooler keeps stopping? Here's the real fix

Your print queue dies mid-job or Windows keeps saying the spooler stopped. Usually a corrupt driver ...

Intermediate 👁 49 May 29, 2026

0X8010002F

SCARD_E_COMM_DATA_LOST (0X8010002F) Smart Card Fix

Quick fix: Remove and reinsert card, restart the smart card service, or replace the reader. This err...

Beginner 👁 39 May 29, 2026

0XC00D2778

NS_E_DRM_SDK_VERSIONMISMATCH (0XC00D2778) — DRM component borked

Windows Media Player or streaming app can't play DRM-protected content because a core component is c...

Intermediate 👁 36 May 29, 2026

0X00000193

Fix ERROR_PROCESS_MODE_NOT_BACKGROUND (0x00000193) – 3 Steps

This error means a program tried to switch to background mode but wasn't allowed. Usually happens wi...

Intermediate 👁 38 May 29, 2026

0XC01E0589

Fix STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_COMMAND (0xC01E0589)

This error means Windows sent a garbled DDC/CI command to your monitor. Usually a driver mismatch or...

Intermediate 👁 47 May 29, 2026

0XC01E0332

STATUS_GRAPHICS_TARGET_ID_MUST_BE_UNIQUE (0xC01E0332) Fix

This DirectX error means two video outputs share the same ID. Usually caused by a bad monitor detect...

Intermediate 👁 34 May 29, 2026

0X80094812

Fix CERTSRV_E_SUBJECT_EMAIL_REQUIRED (0X80094812) Fast

This error means your CA wants an email in the certificate but can't find one. The fix is simple: ad...

Intermediate 👁 55 May 29, 2026

0XC00D0FF1

Windows Media Player Playlist Save Error 0XC00D0FF1 Fix

Hate when WMP won't save your playlist? This registry permissions fix usually works. I'll show you t...

Beginner 👁 24 May 29, 2026

0X000002DF

Fix ERROR_ABANDONED_WAIT_0 (0x000002DF) in 3 Steps

This error means a thread was waiting on a mutex that got closed. It's almost always a driver or app...

Intermediate 👁 27 May 29, 2026

0XC00D0BCC

NS_E_TOO_MUCH_DATA (0XC00D0BCC) — Real Fixes That Work

Encoding can't keep up with data input. Usually a buffering or resource issue. Fixes start simple, e...

Intermediate 👁 24 May 29, 2026

0X800288C6

TYPE_E_DUPLICATEID (0X800288C6) – Duplicate ID Fix

This error means two COM objects share the same ID. Fix it by clearing the cache, repairing the app,...

Intermediate 👁 29 May 29, 2026

0XC022000A

STATUS_FWP_IN_USE (0xC022000A) – Object Can't Be Deleted

The Windows Firewall API won't let you delete a rule because another rule or filter references it. H...

Intermediate 👁 36 May 29, 2026

0X00040130

Fix FORMATETC 0X00040130: Clipboard Data Same Error in Windows

This error means the clipboard data format matches what's already there. It's a COM/OLE issue that u...

Intermediate 👁 20 May 29, 2026

0X000008BA

Fix 0X000008BA: NERR_SpeGroupOp Special Group Error

This error stops you from modifying a special group in Windows. The fix is to use the right tool or ...

Intermediate 👁 27 May 29, 2026

0XC01E000B

STATUS_GRAPHICS_PRESENT_REDIRECTION_DISABLED (0xC01E000B) Fix

When Present redirection gets disabled, your desktop window manager (DWM) is off. Here's why this ha...

Intermediate 👁 28 May 29, 2026

0XC00D1090

Fix NS_E_WMPCORE_NO_REF_IN_ENTRY (0XC00D1090) in Windows Media Player

This Windows Media Player error pops up when it can't find a file reference in a playlist or library...

Beginner 👁 22 May 29, 2026

0XC00D1B5F

Fix NS_E_MISMATCHED_MEDIACONTENT (0XC00D1B5F) in Windows Media Center

This error pops up when Windows Media Center's profile doesn't match the media session. The fast fix...

Beginner 👁 23 May 29, 2026