Windows Errors

0X400D2F01

NS_I_NOLOG_STOP (0X400D2F01) on IIS Startup — What Forces a Pending Header Switch

Shows during IIS reset or HTTP.sys startup when a log file switch is queued but can't complete. It's...

Intermediate 👁 20 May 28, 2026

0X000036E1

Fix ERROR_SXS_XML_E_INVALID_UNICODE (0x000036E1) Manifest Error

This error means a manifest file has a bad Unicode character. It usually hits during app installs or...

Intermediate 👁 31 May 28, 2026

0XC00A000D

STATUS_CTX_MODEM_RESPONSE_NO_DIALTONE (0xC00A000D) Fix

Your modem didn't hear a dial tone. Happens with old phone lines or misconfigured Remote Desktop set...

Intermediate 👁 24 May 28, 2026

0XC0000708

STATUS_RESOURCE_IN_USE (0xC0000708) – Quick Fix & Why It Works

This error means something you're trying to open is already locked by another process. Here's how to...

Intermediate 👁 31 May 28, 2026

0X80110815

COMADMIN_E_PROGIDINUSEBYCLSID (0X80110815) Fix: COM+ Copy Error

This COM+ error pops up when copying a component and the ProgID's already tied to another CLSID. Her...

Intermediate 👁 24 May 28, 2026

0X000019EE

0X000019EE: Log Full Handler Already Running

This error means the system already triggered a log full handler, so your request to handle it again...

Intermediate 👁 35 May 28, 2026

0X80000023

0X80000023 Fix: Redirector in Use Can't Unload

This error pops up when Windows can't unload the redirector layer because files or printers are stil...

Intermediate 👁 27 May 28, 2026

0XC00D2AFB

NS_E_REBOOT_REQUIRED (0XC00D2AFB) Fix That Actually Works

That 'Installation was not successful' error? Usually means Windows Media Player or a codec pack nee...

Beginner 👁 30 May 28, 2026

0XC0000218

0XC0000218: Registry Hive Won't Load After Bad Shutdown or Disk Error

Windows can't boot because the registry hive file is corrupt or missing. This usually happens after ...

Intermediate 👁 58 May 28, 2026

0X00000302

Fix ERROR_CANTFETCHBACKWARDS 0X00000302 in ODBC apps

Your program tried to scroll backwards through query results, but the data provider doesn't support ...

Intermediate 👁 26 May 28, 2026

0X000020D0

AD Schema Syntax Error 0X000020D0 Fix

Active Directory schema syntax mismatch usually from bad imports or schema updates. Fix it by checki...

Intermediate 👁 30 May 28, 2026

0X00002128

Fixing ERROR_DS_SRC_GUID_MISMATCH (0X00002128)

This error happens when Active Directory can't match the source object's GUID during a cross-domain ...

Advanced 👁 25 May 28, 2026

0XC00D280E

Fix NS_E_DRM_SOURCEID_NOT_SUPPORTED (0XC00D280E) in Windows Media Player

Your media file uses an old DRM scheme Windows Media Player no longer supports. Upgrade to VLC or us...

Intermediate 👁 31 May 28, 2026

0X00000580

0x580 Invalid Window Belongs to Other Thread Fix

You'll see this when a window handle gets passed to the wrong thread. Quick reset usually fixes it; ...

Intermediate 👁 29 May 28, 2026

0X00003718

Fix ERROR_SXS_FILE_NOT_PART_OF_ASSEMBLY 0X00003718

This error means Windows can't find a file it expects inside a side-by-side assembly. Usually happen...

Intermediate 👁 24 May 28, 2026

0X00000216

Fixing 0X00000216: Arithmetic Overflow on 32-bit Apps

This error means a calculation blew past 32-bit limits. Usually it's a bad driver or old software. H...

Intermediate 👁 24 May 28, 2026

0X80290300

TPM_E_PPI_ACPI_FAILURE (0X80290300) Quick Fix

This error hits when Windows can't talk to the TPM via ACPI. It's usually a driver or BIOS setting i...

Intermediate 👁 31 May 28, 2026

0X0000202E

Fix ERROR_DS_INAPPROPRIATE_MATCHING (0X0000202E) Fast

This Active Directory error means a search filter or attribute rule is bad. Quick fix: check the LDA...

Intermediate 👁 23 May 28, 2026

0XC00000CF

Fix 0XC00000CF STATUS_SHARING_PAUSED Error Fast

This error means file sharing got temporarily paused. Nine times out of ten it's a SMB service glitc...

Intermediate 👁 44 May 28, 2026

0X000036E8

Fix ERROR_SXS_XML_E_BADXMLDECL (0X000036E8) Manifest Parse Error

Bad XML declaration in a manifest file. This usually happens after a failed update or a rogue app in...

Intermediate 👁 30 May 28, 2026

0XC00D11DF

NS_E_WMP_MULTIPLE_ERROR_IN_PLAYLIST (0XC00D11DF) Fix

This usually means corrupted media files or broken codecs. Quickest fix? Rebuild your playlist. But ...

Intermediate 👁 28 May 28, 2026

0x80070057

Windows Error 0x80070057: Invalid Parameter Fix

The parameter is incorrect. This usually happens during disk operations or Windows updates when a sy...

Intermediate 👁 47 May 28, 2026

0X00000FDC

PEERDIST_ERROR_ALREADY_COMPLETED (0X00000FDC) Fix

This error means BranchCache already finished the job you're asking it to do again. Usually happens ...

Intermediate 👁 27 May 28, 2026

0X0000090C

Fix Windows error 0X0000090C: NERR_TmpFile remote temp file failure

Error 0X0000090C means Windows can't open a remote temporary file. It usually happens when you try t...

Beginner 👁 28 May 28, 2026