Database Errors

MySQL, PostgreSQL, SQLite, MSSQL errors and query issues.

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Cannot open database requested by the login. Login failed

Fix 'Cannot open database requested by the login. Login failed' in SQL Server

This error means SQL Server can't find the database or the login lacks permission. Usually a databas...

Intermediate 9 views May 28, 2026
0X000008C9

Fix NERR_SyncRequired (0X000008C9) Replica Database Sync Error

The 0X000008C9 error means a replica database is out of sync and needs synchronization. Here's how t...

Intermediate 9 views May 28, 2026
Can't connect to MySQL server on 'hostname' (10061)

Fix MySQL 'Can't connect to MySQL server on host' error fast

Short version: it's almost always a stopped MySQL service or a firewall blocking port 3306. Here's h...

Beginner 12 views May 28, 2026
0X0000057A

Fix ERROR_INVALID_CURSOR_HANDLE (0x0000057A) in SQL Server

You closed a cursor but the app still tries to use it. I'll show you how to check for open cursors a...

Intermediate 11 views May 28, 2026
0X80110474

Fix COMADMIN_E_REGDB_SYSTEMERR (0X80110474) Fast

This COM+ registry database error usually means corrupted registration data. The fix is a simple reg...

Intermediate 11 views May 28, 2026
SQL Server does not exist or access denied

Fix 'SQL Server does not exist or access denied' error on login

This error pops up when SQL Server's browser service is off, or TCP/IP is disabled. Here's how to fi...

Intermediate 10 views May 28, 2026
0X00001B84

Fix ERROR_CTX_SHADOW_DENIED (0x1B84) in 2 Steps

Remote Desktop shadowing denied? This error pops up when permissions or group policy blocks session ...

Intermediate 24 views May 28, 2026
0XC000022F

STATUS_ALLOCATE_BUCKET (0XC000022F) Fix – Bucket Array Growth Error

Windows can't grow the bucket array for heap allocation. Usually a memory leak or corrupt heap. We'l...

Intermediate 17 views May 28, 2026
0X00001A32

Transaction Manager Init Failure 0x1A32 — Fixes That Work

Your transaction manager won't start, usually because of a corrupted log file or bad registry key. H...

Intermediate 14 views May 28, 2026
0XC0190048

STATUS_NO_SAVEPOINT_WITH_OPEN_FILES (0xC0190048) Fix

Your database transaction can't create a savepoint because a file is open inside it. Close the file ...

Intermediate 15 views May 28, 2026
0X00001A37

Fix ERROR_TRANSACTION_PROPAGATION_FAILED 0X00001A37

Transaction propagation fails when a network share or printer spooler is unreachable. Quick fix: res...

Beginner 13 views May 28, 2026
0XC019003B

STATUS_TM_VOLATILE (0XC019003B) — Transaction Manager Log Missing Fix

This error means the Transaction Manager lost its log file. The quick fix is restarting the MSDTC se...

Intermediate 14 views May 28, 2026
SQL Server Network Interfaces: Error 26 – Error Locating Server/Instance Specifi

Can't connect to SQL Server? Fix the database error fast

SQL Server won't connect? Usually it's a stopped service, a firewall block, or a bad instance name. ...

Intermediate 11 views May 28, 2026
0XC019003F

STATUS_TRANSACTIONAL_OPEN_NOT_ALLOWED (0XC019003F) Fix

This error means you're trying to open a file in a transaction that doesn't support it—usually a reg...

Intermediate 19 views May 28, 2026
1222

Fix SQL Server Error 1222 – Lock Request Timeout

Error 1222 means a query hit the lock timeout waiting for another transaction. Kill the blocking ses...

Intermediate 11 views May 28, 2026
0XC019003A

STATUS_INDOUBT_TRANSACTIONS_EXIST Fix: SQL Server Stuck

This error means SQL Server has transactions that are stuck in doubt. Here's how to find and resolve...

Intermediate 23 views May 28, 2026
0XC019000C

Fix STATUS_REMOTE_FILE_VERSION_MISMATCH (0XC019000C) in SMB Shares

This error pops up when a remote file's version or FID doesn't match what the SMB client expects. Th...

Intermediate 13 views May 27, 2026
0X8004130F

Fix SCHED_E_ACCOUNT_INFORMATION_NOT_SET (0X8004130F)

This error means a scheduled task's account info is missing. We'll reset the stored credentials and ...

Intermediate 19 views May 27, 2026
0X80040155

Fix REGDB_E_IIDNOTREG (0X80040155) Fast — Interface Not Registered

This COM error means a required interface isn't in the registry. Here's the direct fix and why it ha...

Intermediate 18 views May 27, 2026
0X8004D00B

XACT_E_NOISORETAIN (0x8004D00B) — MSDTC Isolation Fix

Hits when MSDTC can't honor XACT_E_NOISORETAIN during distributed transactions across SQL Server and...

Intermediate 26 views May 27, 2026
0X8004D029

XACT_E_ABORTING (0x8004D029): Local transaction aborted fix

Your transaction was killed by another process or timeout. Here's how to find the culprit and stop i...

Intermediate 13 views May 27, 2026
FATAL: data directory has wrong ownership

PostgreSQL startup fails: FATAL: data directory has wrong ownership

PostgreSQL refuses to start when it can't write to its data directory. The fix: check ownership and ...

Intermediate 67 views May 27, 2026
Can't connect to MySQL server on 'localhost' (10061)

Fix 'Database connection failed' in MySQL on Windows Server

MySQL won't connect? Usually the service isn't running or a firewall's blocking it. Let's get you ba...

Beginner 9 views May 27, 2026
0X80041311

Fix Task Scheduler error 0x80041311 (SCHED_E_ACCOUNT_DBASE_CORRUPT)

Task Scheduler threw this error because its security database got corrupted. The reset is automatic,...

Intermediate 14 views May 27, 2026