Windows Stop Code 0x00000041: MUST_SUCCEED_POOL_EMPTY
Quick Answer MUST_SUCCEED_POOL_EMPTY (0x00000041) means a kernel-mode thread made a must-succeed pool allocation request that Windows could not satisfy. Microsoft directs developer...
Windows
484 practical guides, ordered by reader interest and recency.
Windows Snipping Tool: How It Works, Features, Benefits, and Troubleshooting
QUICK ANSWER Snipping Tool is Microsoft’s built-in Windows application for capturing all or part of the screen. Press Windows key + Shift + S for a screenshot or Windows key ...
Windows Can't Find "AdReset.exe" Error: Causes, Diagnosis, and Complete Fix Guide
If you receive the following Windows error message: Windows can't find 'C:\Program Files\Autodesk\AutoCAD 2023\AdReset.exe'. Check the spelling and try again. it indicates that Win...
Windows Stop Code SECURITY_SYSTEM (0x00000029): Meaning and Troubleshooting
Quick Answer SECURITY_SYSTEM is Windows bug check 0x00000029. Microsoft says it appears very infrequently and recommends WinDbg’s !analyze extension to help determine the roo...
Windows Update Error Codes 0x80070002, 0x80070003, 0x80070005, 0x8007000d, 0x80070020, 0x80070057, 0x80070070, 0x80070422, 0x80070424, 0x800705b4, 0x80070643, 0x80073701, 0x80073712, 0x800f081f, 0x800f0831, 0x800f0922 and 0x80240034 – Complete Troubleshoo
Windows Update is responsible for delivering security updates, cumulative updates, servicing stack updates, drivers, Microsoft Defender updates, .NET updates and other Windows comp...
11 Most Common IT Problems and How to Fix Them: Complete Troubleshooting Guide for Windows PCs, Offices and Small Businesses
Technology is now fundamental to almost every business operation. Email, accounting applications, web browsers, cloud services, printers, local networks, Wi-Fi, business software a...
How to Build a Fast and Reliable Dual-Pane File Manager for Windows Like Norton Commander – Architecture, Features, Copy Engine, Performance, Security and Development Guide
Windows File Explorer is suitable for everyday file management, but users who regularly copy, move, compare or organize large quantities of files may prefer a dual-pane file manage...
FIPS 140-2 Deviation for Bio-Rad CFX Manager: Understanding Windows FIPS Policy, BitLocker, Application Compatibility, and Enterprise Security Exemptions
Organizations working in government, healthcare, pharmaceutical, biotechnology, research, defense, and other regulated environments often enforce strict security policies on Window...
Windows Stop Code 0x0000003A: SYSTEM_UNWIND_PREVIOUS_USER
Quick Answer SYSTEM_UNWIND_PREVIOUS_USER (0x0000003A) is a very infrequent Windows stop code. Microsoft confirms its name and value but does not publish a specific cause, parameter...
Fix Windows Stop Code 0x00000039: SYSTEM_EXIT_OWNED_MUTEX
Quick Answer SYSTEM_EXIT_OWNED_MUTEX (0x00000039) occurs when a Windows kernel worker routine finishes while it still owns a mutex it should have released. A mutex controls access ...
firewall.cpl: How Windows Defender Firewall Works, Benefits, Configuration, and Troubleshooting
QUICK ANSWER firewall.cpl is the Run command for opening the classic Windows Defender Firewall Control Panel applet. Press Windows + R, enter firewall.cpl, and press Enter. It prov...
desk.cpl in Windows: How It Works, Uses, Benefits, Commands, and Troubleshooting
QUICK ANSWER desk.cpl is a legacy Windows Control Panel command associated with display configuration. When entered in Run, Command Prompt, or Windows Terminal, it opens the availa...
telephon.cpl in Windows: How Phone and Modem Options Works
QUICK ANSWER telephon.cpl opens the Windows Phone and Modem Control Panel component. It manages dialing locations and rules, installed modems, and Telephony Application Programming...
Windows 0x0000005A CRITICAL_SERVICE_FAILED: Causes and Fixes
Quick Answer The Windows stop code 0x0000005A CRITICAL_SERVICE_FAILED indicates that Windows encountered a critical service failure and stopped operating. This is a relatively unco...
Windows Stop Code FAT_FILE_SYSTEM (0x00000023): Meaning, Parameters, and Troubleshooting
Quick Answer FAT_FILE_SYSTEM is Windows bug check 0x00000023. Microsoft says it indicates that a problem occurred in the FAT file system. Possible causes include file-system corrup...
Windows Stop Code PFN_SHARE_COUNT (0x0000001B): Meaning and Verification
Quick Answer PFN_SHARE_COUNT is the symbolic name for Windows bug check 0x0000001B. The most important fact is that Microsoft says this bug-check code is no longer used within the ...
Windows Stop Code 0x00000046: DEREF_UNKNOWN_LOGON_SESSION
Quick Answer DEREF_UNKNOWN_LOGON_SESSION (0x00000046) is a Windows stop code that Microsoft describes as very infrequent. Its dedicated documentation confirms the name and value bu...
Fix Windows Stop Code 0x00000036: DEVICE_REFERENCE_COUNT_NOT_ZERO
Quick Answer DEVICE_REFERENCE_COUNT_NOT_ZERO (0x00000036) is a Windows stop code indicating that a driver tried to delete a device object while references to it still existed. Micr...
Windows Stop Code INCONSISTENT_IRP (0x0000002A): Meaning, Parameters, and Debugging
Quick Answer INCONSISTENT_IRP is Windows bug check 0x0000002A. It describes an I/O request packet (IRP) whose information or state is inconsistent. Microsoft gives an example: an I...
Windows Stop Code THREAD_NOT_MUTEX_OWNER (0x00000011): Causes and Troubleshooting
Quick Answer THREAD_NOT_MUTEX_OWNER is a rare Windows bug check with the value 0x00000011. It points to a kernel mutex ownership problem. A mutex must be released by the thread tha...
Windows Stop Code RDR_FILE_SYSTEM (0x00000027): Meaning, Parameters, and Troubleshooting
Quick Answer RDR_FILE_SYSTEM is Windows bug check 0x00000027. Microsoft says it indicates a problem in the SMB redirector file system, which participates when a Windows client acce...
Windows Stop Code CDFS_FILE_SYSTEM (0x00000026): Meaning, Parameters, and Troubleshooting
Quick Answer CDFS_FILE_SYSTEM is Windows bug check 0x00000026. Microsoft says it indicates a problem in the CD file system. Its documentation lists several possible contributors: c...
How to Troubleshoot 0x0000005C HAL_INITIALIZATION_FAILED in Windows
Quick Answer HAL_INITIALIZATION_FAILED, stop code 0x0000005C, means Windows could not initialize its hardware abstraction layer (HAL), a low-level component initialized early durin...
Windows Stop Code QUOTA_UNDERFLOW (0x00000021): Meaning, Parameters, and Troubleshooting
Quick Answer QUOTA_UNDERFLOW is Windows bug check 0x00000021. Microsoft says it occurs when quota accounting is mishandled: more quota is returned to a particular block than was pr...