Windows Errors

Blue screens, error codes, system crashes and Windows update issues.

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0XC0262317

Fix ERROR_GRAPHICS_SOURCE_ALREADY_IN_SET (0xC0262317)

This DirectX error means a video source is already in the active source set. The fix is restarting t...

Intermediate 9 views May 28, 2026
0X00000247

Fix ERROR_UNDEFINED_CHARACTER (0x00000247) – Unicode character not found

This error means your system can't display a specific Unicode character—usually because of a missing...

Intermediate 8 views May 28, 2026
0XC022001E

STATUS_FWP_INVALID_FLAGS (0XC022001E) – Quick Fix

The Windows Filtering Platform flags are wrong. Usually a busted firewall rule or driver update mess...

Intermediate 8 views May 28, 2026
0X00000946

Fix Windows profile load error 0x00000946 (NERR_ProfileLoadErr)

This user profile error shows up when Windows can't load a corrupt or permission-blocked NTUSER.DAT ...

Intermediate 9 views May 28, 2026
0XC0020036

Fix EPT_NT_NOT_REGISTERED (0XC0020036) Endpoint Mapper Error

This error means Windows can't find an RPC endpoint. Usually a DCOM or firewall issue. Start with th...

Intermediate 18 views May 28, 2026
0XC01E0005

STATUS_GRAPHICS_PRESENT_MODE_CHANGED (0xC01E0005) — Fix in 2 Minutes

Annoying DirectX error when game or app detects display mode changed mid-render. Real fix is disabli...

Beginner 10 views May 28, 2026
0XC000A083

STATUS_XML_PARSE_ERROR (0XC000A083) Fix: Corrupt AppLocker or Group Policy

That 0XC000A083 means Windows choked on an XML file—usually a busted AppLocker rule or Group Policy....

Intermediate 12 views May 28, 2026
0XC0262107

Fix 0XC0262107: No Unswizzling Apertures Left for Your GPU

DirectX ran out of video memory apertures for texture conversion. I'll show you how to free them up ...

Intermediate 9 views May 28, 2026
0X00003637

Fix 0X00003637: IPsec IKE Invalid Responder Lifetime Notify

This IPsec error pops up when the responder's lifetime settings mismatch during IKE negotiation. Usu...

Intermediate 8 views May 28, 2026
0X00003B62

Fix Monitor MCCS Compliance Error 0x00003B62

This error means your monitor says it supports MCCS but doesn't actually talk the language right. Us...

Intermediate 11 views May 28, 2026
0XC00D105B

Fix NS_E_WMR_WAITINGONFORMATSWITCH (0XC00D105B) in Windows

This happens when an app tries to change video or audio format while the Media Foundation pipeline h...

Intermediate 6 views May 28, 2026
0X00000003

Fix ERROR_PATH_NOT_FOUND (0X00000003) on Windows 10/11

This error means Windows can't find the folder or drive you're pointing to. Usually happens after a ...

Beginner 8 views May 28, 2026
0X000019DC

0X000019DC: Log Policy Not Installed – Real Fix

This error hits when Windows can't find a log policy during event logging or backup. It's usually a ...

Intermediate 11 views May 28, 2026
0XC01E0322

STATUS_GRAPHICS_INVALID_MONITOR_SOURCE_MODE (0xC01E0322) Fix

This error hits when Windows can't apply a display mode—usually after a driver update or plugging an...

Intermediate 12 views May 28, 2026
0X00000078

Fix ERROR_CALL_NOT_IMPLEMENTED (0X00000078) Fast

This error means Windows can't run a function—usually from a broken app or missing system file. Here...

Intermediate 9 views May 28, 2026
0X8009400A

Fix CERTSRV_E_KEY_ARCHIVAL_NOT_CONFIGURED (0x8009400A)

This error means the CA won't archive the private key because key archival isn't configured. The fix...

Intermediate 8 views May 28, 2026
0X00000509

Fix ERROR_BEYOND_VDL (0x00000509) on Windows

This error means a program tried to read or write past the valid data length of a file. It's common ...

Intermediate 13 views May 28, 2026
0X000020DB

Fix ERROR_DS_MISSING_EXPECTED_ATT (0x000020DB)

Active Directory can't find an attribute it expected in the directory schema. This usually means a s...

Intermediate 6 views May 28, 2026
0XC00D103F

JPEG Error 0XC00D103F: Unknown Marker Found

This Windows error means a JPEG file has a corrupted or unsupported chunk of data. It usually happen...

Intermediate 14 views May 28, 2026
0XC0190030

STATUS_LOG_CORRUPTION_DETECTED 0XC0190030 Fix

This error means Windows found a corrupted log file during boot or system file check. Here's how to ...

Intermediate 7 views May 28, 2026
0X00002B14

Fix FILTERSPEC (0X00002B14) WSA_QOS_EPS Error on Windows

Error 0X00002B14 means an invalid FILTERSPEC or EPS was found in the QOS provider buffer. This usual...

Intermediate 8 views May 28, 2026
0X80100065

Fix SCARD_W_UNSUPPORTED_CARD (0X80100065) Smart Card Error

Your reader sees the card but won't talk to it. The culprit is almost always a mismatched ATR config...

Intermediate 8 views May 28, 2026
0X00001B6F

Fix ERROR_CTX_WINSTATION_ALREADY_EXISTS (0x1B6F)

This happens when Remote Desktop tries to create a session name that's already taken. Here's how to ...

Beginner 8 views May 28, 2026
0X0000099D

0X0000099D: NERR_NoSuchSession fix on Windows 10/11

This error means Windows tried to talk to a disconnected or invalid network session. Usually caused ...

Intermediate 9 views May 28, 2026