Windows Errors

0X00003706

Fix ERROR_SXS_MULTIPLE_DEACTIVATION (0x00003706) on Windows

This error means Windows tried to deactivate a side-by-side activation context that was already shut...

Intermediate 👁 27 May 26, 2026

0XC00D10B7

Fix NS_E_WMPCORE_BUSY (0XC00D10B7) in Windows Media Player

Windows Media Player shows this error when a file is stuck or the player's background service is hun...

Beginner 👁 23 May 26, 2026

0X000002BB

ERROR_THREAD_WAS_SUSPENDED (0X000002BB) Fix: Thread Suspended at Termination

This Windows 10/11 error means a thread was suspended when something tried to kill it. The main culp...

Intermediate 👁 23 May 26, 2026

0XC00D10CC

NS_E_NEED_CORE_REFERENCE (0XC00D10CC) Fix: Player Object Required

This error pops up when Windows Media Player tries to stream content but can't find the core player ...

Intermediate 👁 30 May 26, 2026

0X000000A4

Fix ERROR_MAX_THRDS_REACHED (0x000000A4) on Windows 10/11

This BSOD means the system hit its thread limit. Here's the real fix: increase it via the registry o...

Intermediate 👁 35 May 26, 2026

0X00002125

ERROR_DS_SRC_AND_DST_NC_IDENTICAL (0X00002125) Fix

You're seeing this when trying to move an AD object between domains, but the source and destination ...

Intermediate 👁 40 May 26, 2026

0X80300002

Fix PLA_E_DCS_NOT_FOUND (0X80300002) Error on Windows

This error pops up when a Data Collector Set is missing or corrupted in Performance Monitor. I’ll sh...

Beginner 👁 27 May 26, 2026

0XC00D1159

Fix NS_E_WMP_CONVERT_NO_RIGHTS_ERRORURL (0XC00D1159) in Windows Media Player

Windows Media Player can't add a file because the content provider blocks it. This usually happens w...

Intermediate 👁 20 May 26, 2026

0XC023001A

Token Ring Group Address in Use – Fix 0XC023001A

This error hits when you try to remove a token ring group address that's still linked to active netw...

Intermediate 👁 23 May 26, 2026

0X000020D3

Fixing ERROR_DS_CANT_REMOVE_ATT_CACHE (0x000020D3)

This error hits when AD tries to remove an attribute from the cache during schema updates. The fix i...

Intermediate 👁 45 May 26, 2026

0XC000002A

STATUS_NOT_LOCKED (0xC000002A) Fix: Unlocking Memory That Wasn't Locked

This error pops up when software tries to unlock a memory page it never locked. Usually a driver bug...

Intermediate 👁 45 May 26, 2026

0X0000012A

Semaphore Flooded: Fixing 0X0000012A Error on Windows

This error hits when too many processes hammer a semaphore at once. I've seen it mostly on Windows S...

Intermediate 👁 35 May 26, 2026

0X000036EC

Fix ERROR_SXS_XML_E_UNCLOSEDSTARTTAG (0x000036EC) manifest error

This error shows up when Windows can't read a manifest file because an XML tag wasn't closed. Usuall...

Intermediate 👁 33 May 26, 2026

0X00002144

FIX: ERROR_DS_GLOBAL_CANT_HAVE_LOCAL_MEMBER (0X00002144) – Global Groups Can't Nest Local Groups

This error fires when you try to add a local group to a global group in Active Directory. The fix is...

Intermediate 👁 60 May 26, 2026

0X000020E6

AD can't retrieve child object? Here's the fix (0x20e6)

Active Directory can't read a child object. Usually a replication conflict or corrupted DC. I'll sho...

Intermediate 👁 27 May 26, 2026

0XC0000709

Fix STATUS_HARDWARE_MEMORY_ERROR (0XC0000709) Now

Your PC hit a fatal memory error 0XC0000709. Here's how to track down the bad RAM stick and get back...

Intermediate 👁 38 May 26, 2026

0X000036F2

SXS XML_E_RESERVEDNAMESPACE 0X000036F2 Fix

Your app crashes because a manifest XML uses 'xml' as a namespace prefix, which Windows reserves. Fi...

Intermediate 👁 30 May 26, 2026

0X80010138

CO_E_FAILEDTOCLOSEHANDLE (0X80010138) — handle leak fix

COM can't close a handle because the owning app still holds it. Common after a crash or improper cle...

Intermediate 👁 23 May 26, 2026

0XC00D1BBF

NS_E_INVALID_VIDEO_BITRATE (0XC00D1BBF) Fix for Windows Media Encoder

This error pops up when you set a video bitrate that won't work with the codec or resolution in Wind...

Intermediate 👁 24 May 26, 2026

0X000032D3

Fix ERROR_IPSEC_MM_AUTH_NOT_FOUND (0X000032D3) Fast

This IPsec error means Windows can't find a main mode authentication rule. Usually a GPO or registry...

Intermediate 👁 26 May 26, 2026

0XC00D0FC7

Fix 0XC00D0FC7: Windows Media Player can't add files to library

Windows Media Player throws this when it can't add songs or videos to your library. Usually a permis...

Beginner 👁 33 May 26, 2026

0X80004009

CO_E_INIT_CLASS_CACHE (0X80004009) Fix: Class Cache Stuck

Class cache initialization fails due to a stuck COM+ catalog or corrupted cache files. Restarting th...

Intermediate 👁 36 May 26, 2026

0X000020D1

Fix ERROR_DS_CANT_CACHE_ATT (0X000020D1) in Active Directory

AD can't cache an attribute, usually due to schema issues or replication delays. Here's the real fix...

Intermediate 👁 22 May 26, 2026

0XC0000073

Fix STATUS_NONE_MAPPED (0xC0000073) in Windows

This error means Windows can't map a security account (like a user or group) to a valid SID. It usua...

Intermediate 👁 29 May 26, 2026