Database Errors

0XC0190036

Fix STATUS_FILE_IDENTITY_NOT_PERSISTENT (0XC0190036) in SQL Server

This error means SQL Server can't verify a file's identity after a restart. The fix is usually a dat...

Intermediate 👁 26 May 26, 2026

Cannot open database

Fix 'Cannot open database' on SQL Server 2019 – 3 real fixes

This error usually means SQL Server can't find or access the database. We'll check the database exis...

Intermediate 👁 26 May 26, 2026

0X00001A9F

Fix ERROR_HANDLE_NO_LONGER_VALID (0x1A9F) Transaction Handle

Your transaction handle got invalidated mid-operation. Reopen the handle inside the transaction, not...

Advanced 👁 35 May 26, 2026

0X80100016

SCARD_E_NOT_TRANSACTED 0X80100016 Fix That Actually Works

This error means your smart card reader's transaction state is out of whack. The quick fix is resett...

Intermediate 👁 57 May 26, 2026

0X00001A31

Fix ERROR_TRANSACTION_ALREADY_COMMITTED (0X00001A31)

This error means a transaction was already finalized when you tried to commit it again. Here's how t...

Intermediate 👁 27 May 26, 2026

Cannot open database requested by the login. The login failed.

Fix 'Cannot open database' error in SQL Server

You're seeing this because SQL Server can't find or access the database you're trying to connect to....

Intermediate 👁 36 May 26, 2026

0X00001AB4

Fix ERROR_TRANSACTION_SCOPE_CALLBACKS_NOT_SET (0x1AB4)

Transaction scope handler isn't initialized. Usually a COM+ or .NET transaction setup issue. Two qui...

Intermediate 👁 25 May 26, 2026

0XC022000D

Fix STATUS_FWP_NO_TXN_IN_PROGRESS (0xC022000D) – Explicit Transaction Error

You called a transaction API outside an explicit transaction. The fix: wrap your code in a BEGIN/COM...

Intermediate 👁 28 May 26, 2026

0XC000011C

Fix STATUS_RXACT_INVALID_STATE (0XC000011C) on Windows

This error means a transactional registry operation hit a dead or corrupt state. We'll reset the KTM...

Intermediate 👁 38 May 26, 2026

0X80110480

Fix COM+ Migration Error 0X80110480 on Windows

COMADMIN_E_MIG_VERSIONNOTSUPPORTED means your COM+ database is too old to migrate. The fix is to reb...

Intermediate 👁 26 May 26, 2026

0X80040154

Fix REGDB_E_CLASSNOTREG (0X80040154) Class Not Registered

This error means Windows can't find a registered COM component. Usually happens when a 32-bit app ru...

Intermediate 👁 118 May 26, 2026

0XC0000227

STATUS_RECOVERY_FAILURE (0XC0000227) - Transaction Recovery Failed

This error appears when Windows can't recover a transaction log after a crash or power loss. It's a ...

Intermediate 👁 55 May 26, 2026

0X00001A39

Fix Transaction Invalid Marshall Buffer Error 0x1A39

The transaction marshall buffer is malformed. Fix is to ensure PushTransaction and PullTransaction c...

Intermediate 👁 30 May 26, 2026

Cannot open user default database. Login failed. Login failed for user '...'

Fix 'Cannot open user default database' Error in SQL Server

This error hits when SQL Server can't access the default database for a login. Usually it's a missin...

Intermediate 👁 58 May 26, 2026

0X00001B92

Fix ERROR_CTX_SHADOW_ENDED_BY_MODE_CHANGE (0X00001B92)

Remote desktop session drops when display mode changes. Fix by disabling color depth switching and f...

Intermediate 👁 31 May 26, 2026

0X8004D00E

XACT_E_NOTRANSACTION (0X8004D00E) — transaction already done

Kicks in when you try to commit or rollback a transaction that's already finished. Usually from nest...

Intermediate 👁 47 May 26, 2026

0XC00A0035

Fix 0XC00A0035: Remote Console Mode Change Error

This error ends your remote console session when the display mode changes. The fix depends on what t...

Intermediate 👁 28 May 26, 2026

1062

MySQL Error 1062: Duplicate Entry Fix for Primary Keys

MySQL error 1062 means you're inserting a row with a duplicate primary or unique key. Here's how to ...

Intermediate 👁 131 May 26, 2026

0XC0000215

STATUS_TRANSACTION_INVALID_TYPE (0xC0000215) Fix

This error means a transaction type is wrong for the transport. Usually a bad network driver or misc...

Intermediate 👁 39 May 26, 2026

0XC000036D

Fix STATUS_DRIVER_DATABASE_ERROR (0XC000036D) Fast

Printer or scanner driver database got corrupted on Windows 10/11. Here's a real fix from someone wh...

Intermediate 👁 39 May 26, 2026

0X00001A3E

Fix ERROR_TRANSACTIONMANAGER_NOT_FOUND (0X00001A3E)

The transaction manager object couldn't be opened. Here's how to fix it, from a quick reboot to deep...

Intermediate 👁 35 May 26, 2026

0X80190042

Fix 0X80190042: Transaction Scope Callbacks Not Set

This error means you tried to start a transaction scope before its handler was initialized. The fix ...

Intermediate 👁 27 May 26, 2026

0X0000217D

Fix ERROR_DS_OUT_OF_VERSION_STORE (0X0000217D)

Active Directory exploding? This error means the database ran out of space to track changes. Here's ...

Advanced 👁 49 May 26, 2026

0X8004D016

Fix XACT_E_INDOUBT (0X8004D016) Transaction in Doubt Error

This error means a DTC transaction is stuck in an indeterminate state. It usually happens after a po...

Intermediate 👁 27 May 26, 2026