Category: windows 7

WIN32K.SYS

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WIN32K.SYS is a low level component of WIndows. It’s the kernel side of the Windows subsystems. The includes the graphical user interface infrastructure including the USER, GDI and DirectX. DirectX is handled by DXH.SYS. USER32.DLL and IMM32.DLL make up the window manager. GDI32.DLL MSIMG32.DLL make up GDI. D3D8THK.DLL is the DirectX thunk. TWSRC_32.DLL is the print driver. WINSRV.DLL …

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ERROR CODE 0x80072F8F

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This error code has been seen with problems in Windows activation. This occurs when the system clock is not set correctly. To the problem reboot the machine and enter the BIOS and set the correct date and time. Then restart the machine and you find Windows will activate properly. If you are installing Windows 10, …

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WINDOWS DIRECTX GRAPHICS INFRASTRUCTURE

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DirectX Graphics Infrastructure (DXGI) is a user-mode component of Windows Vista and higher which provides a mapping between particular graphics APIs such as Direct3D 10.0 and above and the graphics kernel, which in turn interfaces with the user-mode Windows Display Driver Model driver. DXGI provides objects to handle tasks such as enumerating graphics adapters and …

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ADD/REMOVE WINDOWS FEATURES

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In addition to stock configuration PC gamers occasionally have problems some older programs. Windows 8 and above for example do not install the .NET Framework 3.51 or older versions. Worse, the installer fails. The reason for this is that Windows has changed the way the features are added to Windows. Open “Control Panel\Programs\Programs and Features” …

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DPC_WATCHDOG_VIOLATION BSOD

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This bug check indicates that the DPC watchdog executed, either because it detected a single long-running deferred procedure call (DPC), or because the system spent a prolonged time at an interrupt request level (IRQL) of DISPATCH_LEVEL or above. The value of Parameter 1 indicates whether a single DPC exceeded a timeout, or whether the system …

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STICKY NOTES

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Sticky Notes is one of the gadgets seen with Windows Vista. The gadget is designed to replicate the old style paper sticky notes that surfaced back in the 1970s. Sticky Notes uses Microsoft’s SQL Server Lite which is the actual store for the notes. Unfortunately the database is not easily found to back it up. …

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ERROR CODE 0X080070091

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Error code x080070091 has been seen mostly with file system errors such as a problem with a folder that a user cannot delete etc. To fix it tpen directory in question and try to delete the individual files there until you come across the file that’s causing it not to delete (there’ll probably be at least …

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MALWARE AND SECURITY

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Malware became apparent early on with the personal computer. Over time security tools became available to combat the problem. Windows Vista and above come with Windows Defender which provides some modicum of security. Other security programs were expected to complement or replace it. In practice many used Windows with no additional security programs in place. …

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TIMEOUT DETECTION & RECOVERY

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Introduced with Windows Vista, the timeout detection and recovery (TDR) feature is intended to deal with driver problems or hardware errors without requiring the user to reboot the system. In Windows XP the machine would simply freeze or show a BSOD. One of the most frequent causes for the TDR error is the lack of …

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DESKTOP WINDOW MANAGER

The Desktop Window Manager is a compositing window manager. This means that each program has a buffer that it writes data to; DWM then composites each program’s buffer into a final image. By comparison, the stacking window manager in Windows XP and earlier (and also Windows Vista and Windows 7 with Windows Aero disabled) comprises …

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WINDOWS DISPLAY DRIVER MODEL

Video cards all have to fulfill some basic functionality to be able to boot DOS etc. Worse they also have to have a small BIOS to contain the bit mask for the characters on the DOS VGA display. Over time the CPU has evolved considerably as engineers have figured out how to ramp up the …

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SYSTEM PROTECTION

System protection is a new feature with Windows Vista and above. It works with NTFS disks which support shadow copies. Generally it works like system restore with files so that if a problem like a bad driver or bad windows update will not cause problems. Everyone knows how bad video card drivers can be, In …

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BITLOCKER

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Bitlocker is an encrypting file system that was designed in part to protect the boot process in Windows. Bitlocker also protects personal files. If a machine is reset, personal files are not recoverable but the machine can be put to use as a new machine. Bitlocker shipped with Windows Vista Business and ultimate. More recent …

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64-BIT PC GAMES

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The move to 64-bit Windows has make the PC the top choice for gaming today. Here at Hardcore Games we have used Windows XP x64, Vista x64, Windows 7x 64, Windows 8 x64 and now Windows 10 x64. We immediately adopted 64-bit Windows XP for computer chess which is incredibly demanding on CPU performance in addition to demanding …

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64-BIT WINDOWS: VRAM

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Video cards have long had more than 512MB VRAM so again x64 is needed to be fully exploit the card. VRAM is shadowed in main memory. The DMA controller copies the assembled frame while the CPU works on the next one. With the GTX Titan X 12GB, at least 32GB of memory is needed to …

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