Database Errors

0X00001B8B

Fix ERROR_CTX_SHADOW_DISABLED (0X00001B8B) Remote Control

Remote control fails with 0X00001B8B when shadowing is off in RDS settings or Group Policy. Quick fi...

Intermediate 👁 21 Sep 6, 2026

Error 128

SQL Server 128: Severe Error on Current Command – Real Fixes

SQL Server error 128 (severity 20) kills your query mid-run. Usually a connection or memory issue. H...

Intermediate 👁 23 Sep 5, 2026

connection refused: Is the server running on host "localhost" and accepting TCP/

Postgres connection refused on localhost:5432 — fix it now

Postgres won't connect? Most likely the service isn't running or is bound to the wrong socket. Here'...

Beginner 👁 20 Sep 4, 2026

ORA-01555

Fix ORA-01555: Snapshot Too Old Without Rewriting Your App

The ORA-01555 snapshot too old error hits long-running queries when undo data is overwritten. Here's...

Intermediate 👁 16 Sep 4, 2026

0X80320012

Fix Firebird FWP_E_TIMEOUT 0X80320012 Lock Timeout

Firebird transaction lock timeout on busy tables. Usually a missing index or long transaction holdin...

Intermediate 👁 18 Sep 4, 2026

0XC0000214

Fix STATUS_TRANSACTION_INVALID_ID 0XC0000214 on SQL Server

SQL Server or linked server throws 0XC0000214 when a transaction ID isn't recognized. Usually a stal...

Intermediate 👁 21 Sep 4, 2026

0X000003F6

Fix ERROR_REGISTRY_RECOVERED (0x3F6) on Windows Boot

Windows recovered a damaged registry hive using a backup log. You'll see this after a crash or power...

Intermediate 👁 22 Sep 4, 2026

MySQL Error 1213 (40001)

MySQL 1213 Deadlock: Fix by Making Transactions Short

Got MySQL error 1213? It's a deadlock. You fix it by keeping transactions short, using consistent in...

Intermediate 👁 32 Sep 4, 2026

duplicate key value violates unique constraint

pg_restore duplicate key errors: fix schema restore fails

pg_restore hits duplicate keys when the schema already has data. Drop the target schema first, or re...

Intermediate 👁 25 Sep 3, 2026

0XC019004B

Fix STATUS_FLOATED_SECTION (0XC019004B) Fast

I/O on a floated section object. Usually a TxF or memory-mapped file issue. Close the file handle or...

Intermediate 👁 19 Sep 3, 2026

0X80000018

Fix STATUS_RXACT_COMMIT_NECESSARY 0x80000018 in SQL Server

Error appears when a transaction is left dangling after a failover or client crash. You need to comm...

Intermediate 👁 23 Sep 2, 2026

ERROR 1045 (28000)

Fix MySQL 1045 Access Denied Error in Under 10 Minutes

MySQL error 1045 means bad credentials or a host mismatch. Here's the exact fix, the less obvious va...

Beginner 👁 20 Sep 1, 2026

0X00001AB8

Fix 0X00001AB8: Transaction Freeze Already in Progress

SQL Server throws this when a backup or snapshot hits a lock conflict. Quick fix: kill the blocking ...

Intermediate 👁 17 Sep 1, 2026

0X80092014

CRYPT_E_NOT_IN_REVOCATION_DATABASE: Fix 0x80092014 Now

Seen when Windows can't verify a cert's revocation status. Usually a mismatched CRL or offline OCSP....

Intermediate 👁 25 Aug 30, 2026

ERROR 1045 (28000)

MySQL 1045 Access Denied: Fix in 5 Minutes Flat

MySQL throws 1045 when auth fails. Usually a typo in user/host, a bad password, or the user's host m...

Beginner 👁 21 Aug 30, 2026

0X000002A6

Fix ERROR_RXACT_COMMIT_NECESSARY (0X000002A6) Fast

This Windows error means a transaction is stuck without commit. The fix is usually ending the proces...

Intermediate 👁 26 Aug 29, 2026

0XC0190053

Fix 0XC0190053 Recovery Name Collision in SQL Server

SQL Server hits this when two databases share the same recovery name. Rename or drop the duplicate t...

Intermediate 👁 33 Aug 29, 2026

0X00001A2E

Fix ERROR_TRANSACTION_REQUEST_NOT_VALID 0X00001A2E in SQL Server

SQL Server throws this when a transaction is used after commit or rollback. Fix by checking @@TRANCO...

Intermediate 👁 18 Aug 28, 2026

0X00001A30

Fix ERROR_TRANSACTION_ALREADY_ABORTED 0X00001A30 on Windows

Kernel transaction aborted before you could commit—usually from a crashed app or bad driver. Restart...

Intermediate 👁 15 Aug 27, 2026

0X8004D009

XACT_E_NOASYNC (0x8004D009): Fixes That Actually Work

XACT_E_NOASYNC means your app tried an async transaction call the MSDTC doesn't support. Here's the ...

Intermediate 👁 28 Aug 25, 2026

code 13

Fix MongoDB code 13: not authorized on admin to execute command

MongoDB throws code 13 when you try db.createUser without the right auth. Fix it by logging into adm...

Intermediate 👁 19 Aug 23, 2026

MySQL Error 1146

MySQL 8.0 Startup Fail: Table 'mysql.plugin' Missing? Fix It

After upgrading to MySQL 8.0, the server won't start because the data dictionary is out of sync. Her...

Intermediate 👁 28 Aug 21, 2026

could not open file for writing: Permission denied

Fix PostgreSQL VACUUM FULL Permission Denied Error

VACUUM FULL fails with permission denied because PostgreSQL can't write new table files. Usually a d...

Intermediate 👁 33 Aug 20, 2026

0X8004D01B

XACT_E_TMNOTAVAILABLE Fix: Transaction Manager Not Available

XACT_E_TMNOTAVAILABLE means Windows can't reach the MSDTC service. Usually a firewall rule or servic...

Intermediate 👁 22 Aug 20, 2026