Windows Errors

0X000008B7

NERR_UserLogon (0X000008B7): Can't Delete User With Active Session

You can't delete a Windows user while they're logged on. The fix: force logoff via command line or r...

Intermediate 👁 29 May 26, 2026

0X000D2AF8

NS_S_REBOOT_RECOMMENDED (0X000D2AF8) — Fix in 30 Seconds or Less

This error means the install worked but file cleanup stalled. A reboot usually fixes it — sometimes ...

Beginner 👁 25 May 26, 2026

0X000020BA

Fix ERROR_DS_DUP_RDN (0X000020BA) in Active Directory

Active Directory schema update fails with duplicate RDN error. Common when adding a new attribute or...

Intermediate 👁 23 May 26, 2026

0X80290206

Fix TBSIMP_E_DUPLICATE_VHANDLE (0X80290206) in Windows

This error means TPM's virtual handle registry is corrupted. Start with a reboot—works half the time...

Intermediate 👁 28 May 26, 2026

0X00003AAD

Event Viewer Filter Error 0X00003AAD Fix

ERROR_EVT_FILTER_UNEXPECTEDTOKEN means your Event Viewer filter has a typo or bad syntax. Fix the fi...

Beginner 👁 28 May 26, 2026

0XC00D2907

NS_E_ANALOG_VIDEO_PROTECTION_LEVEL_UNSUPPORTED (0XC00D2907) Fix

Windows Media Player blocks analog video playback due to a protection mismatch. The fix is disabling...

Beginner 👁 25 May 26, 2026

0X80100012

SCARD_E_SYSTEM_CANCELLED (0x80100012) Fix for Smart Card Readers

This error pops up when a smart card read operation gets killed by the system during shutdown or log...

Intermediate 👁 24 May 26, 2026

0XC00002D4

STATUS_DS_INVALID_GROUP_TYPE (0XC00002D4) Fix

This error means you tried to create or modify a security group in Active Directory with an invalid ...

Intermediate 👁 30 May 26, 2026

0X000032D9

IPSec Tunnel Filter Missing? Here's the Fix for 0x000032D9

Windows can't find a tunnel filter when setting up IPSec. Usually a policy mismatch or corrupt confi...

Intermediate 👁 21 May 26, 2026

0XC00D0041

NS_E_INCOMPATIBLE_FORMAT (0XC00D0041) – Quick Fix for Windows Media Center

Windows Media Center drops NS_E_INCOMPATIBLE_FORMAT when a TV tuner can't handle the stream. The fix...

Intermediate 👁 27 May 26, 2026

0X0000025B

Fixing ERROR_MARSHALL_OVERFLOW (0x0000025B) on Windows

That marshaling buffer overflow usually means a driver or system call is passing too much data. We'l...

Intermediate 👁 25 May 26, 2026

0X800401FC

Fix CO_E_OBJISREG (0x800401FC): Object Already Registered

This error usually pops up when a COM object registration clashes. You'll see it in development tool...

Intermediate 👁 29 May 26, 2026

0XC00D003A

NS_E_BAD_DELIVERY_MODE (0XC00D003A) Fix Guide

Windows Media Player hits you with this when streaming to non-Microsoft apps. I'll walk you through ...

Intermediate 👁 22 May 26, 2026

0X800F0200

Fix SPAPI_E_NO_ASSOCIATED_CLASS (0X800F0200) Driver Install Error

This error means Windows can't find the right install class for a driver INF. Usually a missing or c...

Intermediate 👁 36 May 26, 2026

0XC0140019

STATUS_ACPI_INVALID_TABLE 0XC0140019 Fix – Corrupt ACPI Table

This error means your PC tried to load a bad ACPI table during boot. The most common fix is updating...

Intermediate 👁 40 May 26, 2026

0X000036BE

Fix ERROR_SXS_INVALID_XML_NAMESPACE_URI (0x000036be) in Windows

Windows can't read an app's manifest because a namespace URI is wrong. This usually happens after in...

Intermediate 👁 32 May 26, 2026

0X000020E4

Fix ERROR_DS_CANT_FIND_EXPECTED_NC (0X000020E4) fast

AD can't find a naming context (NC) it expects. Usually a replication issue after a failed domain co...

Intermediate 👁 25 May 26, 2026

0X0000009F

ERROR_BAD_THREADID_ADDR (0X0000009F) Fix: Bad Thread ID Address

This Windows error usually means corrupted system files or bad memory access. Here's how to fix it f...

Intermediate 👁 24 May 26, 2026

0XC0000017

STATUS_NO_MEMORY (0XC0000017) — The Real Fix

This is a memory starvation error. Most fixes online overcomplicate it. I'll show you the real fix a...

Intermediate 👁 31 May 26, 2026

0XC00002B3

Fix STATUS_CANT_ENABLE_DENY_ONLY (0XC00002B3) on Windows

This error means a deny-only group tried to enable itself. The fix is to remove or adjust account re...

Intermediate 👁 26 May 26, 2026

0X0000106C

WMI Data Provider Not Found (0x0000106C) — Quick Fixes

This error means Windows can't find a WMI data provider. Usually a corrupted repository or missing p...

Intermediate 👁 25 May 26, 2026

0X8029010C

TPM 0x8029010C: Unexpected result from TPM chip

TPM chip returned garbage, not an expected response. Usually a stale session or driver mismatch. Qui...

Beginner 👁 65 May 26, 2026

0X80110483

Fix COMADMIN_E_CAT_UNACCEPTABLEBITNESS (0x80110483) error

Stop this COM+ registry error cold. I'll show you three fixes—from a quick 30-second check to a regi...

Intermediate 👁 23 May 26, 2026

0X0000026A

Fix ERROR_UNSUPPORTED_COMPRESSION (0x0000026A) in Windows

This error pops up when Windows tries to read a compressed file or archive it doesn't recognize. Usu...

Intermediate 👁 28 May 26, 2026