Database Errors

0X8004D022

XACT_E_DEST_TMNOTAVAILABLE (0X8004D022) Fix

This happens when a distributed transaction can't reach the MSDTC service on the target server. It's...

Intermediate 👁 47 May 29, 2026

2003 (HY000)

Database connection error: fix 'Cannot connect to MySQL server on host'

Can't connect to MySQL? Here's what's actually happening and how to fix it. We'll cover the three mo...

Intermediate 👁 39 May 29, 2026

0X00000429

Fix ERROR_DATABASE_DOES_NOT_EXIST (0X00000429) Fast

That database isn't there. We'll reconnect, rebuild, or point to the right file. Start simple—no nee...

Beginner 👁 33 May 29, 2026

Error establishing a database connection

Fix 'Database Error: Cannot Connect to MySQL' on WordPress

WordPress can't talk to your MySQL database. Usually a wrong password, crashed DB, or server hiccup....

Intermediate 👁 34 May 29, 2026

ERROR 2002 (HY000)

MySQL 2002 Can't connect through socket: fix in order

MySQL server isn't running or the socket path is wrong. Here's how to fix it from quickest to most t...

Intermediate 👁 38 May 29, 2026

Cannot add or update a child row: a foreign key constraint fails

MySQL foreign key constraint fails on insert: real fixes from the field

You're trying to insert data but the parent row doesn't exist yet. Here's how to find the missing ke...

Beginner 👁 50 May 29, 2026

0X0004D006

Fix XACT_S_MADECHANGESINFORM (0x0004D006) in SQL Server

This error pops up when SQL Server can't log a transaction due to a full log file or a permissions i...

Intermediate 👁 35 May 29, 2026

0X40000004

STATUS_RXACT_STATE_CREATED (0X40000004) – What It Means and How to Fix

This code means a kernel transaction (RXACT) is active but not committed. It's informational, not an...

Intermediate 👁 47 May 29, 2026

0XC00A0030

STATUS_CTX_SHADOW_INVALID (0XC00A0030) Fix: Remote Session Error

This error stops Remote Desktop shadowing dead. It means the session you're targeting isn't set up f...

Intermediate 👁 38 May 29, 2026

0XC0190055

STATUS_TRANSACTION_OBJECT_EXPIRED (0XC0190055) – Stale Transaction Fix

This error happens when a database transaction exceeds its timeout or the transaction object gets in...

Intermediate 👁 29 May 29, 2026

0XC019003D

STATUS_TXF_ATTRIBUTE_CORRUPT (0XC019003D) Fix on Windows

This error hits when NTFS transactional metadata on a file or directory is unreadable. It usually fo...

Intermediate 👁 37 May 29, 2026

0X000002BD

Fix ERROR_RXACT_STATE_CREATED (0X000002BD) in Windows

This error pops up during database transactions or app installs when a transaction is stuck in creat...

Intermediate 👁 31 May 29, 2026

0XC0000213

STATUS_TRANSACTION_RESPONDED (0XC0000213) – Transport Already Responded

This NTSTATUS error means the transport layer already handled the transaction. Happens in SQL Server...

Intermediate 👁 28 May 28, 2026

0X801F001B

ERROR_FLT_ALREADY_ENLISTED (0x801F001B) Fix

A minifilter driver tried to re-enlist in a transaction it's already part of. Happens with backup so...

Intermediate 👁 31 May 28, 2026

Cannot connect to database

Fix 'Cannot connect to database' After Server Migration on MySQL 8.0

This error pops up after moving a site to a new server. Usually it's a user permissions or auth plug...

Intermediate 👁 34 May 28, 2026

8152

SQL Server 'String or binary data would be truncated' fix

This error shows up when your data doesn't fit the column. Here's how to find the exact problem colu...

Intermediate 👁 43 May 28, 2026

0X00040000

OLE_S_USEREG (0X00040000) Fix: Registry COM Lookup

OLE_S_USEREG means COM+ is falling back to the registry because a configured COM server isn't found....

Intermediate 👁 35 May 28, 2026

0XC0190014

Fix STATUS_TRANSACTION_NOT_REQUESTED (0XC0190014) in SQL Server

This SQL Server error means a transaction was started but never asked for. The fix is usually simple...

Intermediate 👁 35 May 28, 2026

0X8009400F

Fix CERTSRV_E_NO_DB_SESSIONS (0x8009400F) on Windows CA

This error hits when your Certification Authority runs out of database sessions—usually during peak ...

Intermediate 👁 29 May 28, 2026

1146

MySQL 'Table Doesn't Exist' Despite It Being There — Real Fix

Table shows in SHOW TABLES but queries fail with 'Table doesn't exist'. Fix is case sensitivity, cor...

Intermediate 👁 28 May 28, 2026

0X8004D000

XACT_E_ALREADYOTHERSINGLEPHASE: Only One RM Per Transaction

You're hitting XACT_E_ALREADYOTHERSINGLEPHASE because a transaction already has a single-phase resou...

Intermediate 👁 37 May 28, 2026

0X80040156

REGDB_E_BADTHREADINGMODEL (0x80040156) — Threading model fix

COM threading model mismatch in the registry. Usually a missing or malformed ThreadingModel value on...

Intermediate 👁 34 May 28, 2026

0X80110473

COMADMIN_E_REGDB_NOTOPEN (0x80110473) Fix

The COM+ registry database is locked or corrupted. Restart the Windows Management Instrumentation an...

Intermediate 👁 35 May 28, 2026

0X0000076B

EPT_S_CANT_CREATE (0X0000076B) Error Fixed on Windows Server

This error means Windows can't register a new endpoint in the RPC endpoint mapper. The fix is adjust...

Intermediate 👁 37 May 28, 2026