Getsystemtimepreciseasfiletime Windows 7 Upd [work] -

Microsoft introduced this specific function in Windows 8 and Windows Server 2012. The original Windows 7 KERNEL32.dll does not export this function.

: Implement a check to use GetSystemTimeAsFileTime (the standard version) if the OS is older than Windows 8.

(32-bit or 64-bit).

Users on Windows 7 often encounter the error message: “The procedure entry point GetSystemTimePreciseAsFileTime could not be located in the dynamic link library KERNEL32.dll” . This happens because:

Traditional Windows systems relied on the GetSystemTimeAsFileTime API. While functional, its resolution is tied to the system timer tick, which typically hovers around 15.6 milliseconds. getsystemtimepreciseasfiletime windows 7 upd

: Use older compiler toolsets (like v143 in Visual Studio) that do not have a hard dependency on this newer API.

Some users may experience issues installing this update, such as "Installer encountered an error 0x80070422". Microsoft introduced this specific function in Windows 8

: Recent versions of Microsoft Visual Studio (such as the v145 platform toolset) intentionally drop Windows 7 compatibility. The C++ runtime library injected during compilation automatically references GetSystemTimePreciseAsFileTime for timestamping and logging.

void GetSystemTimePreciseAsFileTime(LPFILETIME lpSystemTimeAsFileTime); (32-bit or 64-bit)

Once KB2670838 is installed, you can call GetSystemTimePreciseAsFileTime exactly as on Windows 8+. However, for robust software development, you should the function to avoid crashes on unpatched systems.

The most frequent and frustrating issue developers encounter is the assumption that GetSystemTimePreciseAsFileTime is universally available across all modern Windows versions. This is not the case. The function has been available on Windows 7. According to the official Microsoft documentation and corroborated by countless developer reports, the function only exists on Windows 8 and newer client versions, and Windows Server 2012 and newer server versions.