Because the function is exported from Kernel32.dll only in Windows 8 and later, any application statically linked to it will fail to launch on Windows 7, throwing the infamous "Entry Point Not Found" error.
Warning: These, if not carefully implemented, can crash applications that rely strictly on high-precision timing. Summary Checklist Contact dev for a Win 7 compatible patch. Error in Game/Emulator Search for a specialized community patch. Using Python 3.9+ Downgrade to Python 3.8, which supports Windows 7.
uint64_t GetHighPrecisionTimestamp(HighPrecisionClock* clock) static PGETSYSTEMTIMEPRECISEASFILETIME pPreciseFunc = NULL; static HMODULE hKernel32 = NULL;
If Windows 7 support is not feasible, clearly state the minimum requirements. Many users encounter the error unexpectedly because developers assume Windows 7 is still compatible due to its large installed base.
typedef VOID (WINAPI *PFN_GetSystemTimePreciseAsFileTime)(LPFILETIME); getsystemtimepreciseasfiletime windows 7 patched
You may have installed all available updates for Windows 7, including the final Service Pack 1 and post-EOL updates, and still receive this error. This is because .
If an application fails with this error, you cannot "patch" Windows 7 to support it. Instead, you must use workarounds to bypass or replace the API call. A. For Application Users (Games/Apps) If you are trying to run a game or program that crashes:
: Compilers like Visual Studio’s toolset v145 bundle optimization features that natively assume the host operating system is modern. The binary relies on the function by default, even if the program's code never explicitly references time tracking.
Disclaimer: This information is for educational purposes regarding legacy systems as of 2026. Running unsupported operating systems carries security risks. If you'd like, I can: Because the function is exported from Kernel32
Since there is no official Microsoft "patch" to add this function to Windows 7, users typically rely on the following methods:
Introduced by Microsoft starting with Windows 8, GetSystemTimePreciseAsFileTime cannot be natively patched into Windows 7 through standard Microsoft Updates. Because modern toolchains like MSVC v145 , Rust 1.78+ , and Qt automatically bake this function call into compiled binaries, users attempting to run newer software on Windows 7 will inevitably encounter a load-time crash stating that the procedure entry point could not be located in KERNEL32.dll . Why the Error Occurs on Windows 7
is the gold standard for high-resolution timing on modern Windows (8+) and highlights the lack of an equivalent "all-in-one" high-precision system clock for Windows 7. 2. Community Patches & Wrappers
If you are still maintaining Windows 7 code: Error in Game/Emulator Search for a specialized community
Increase the system timer resolution to 1 ms:
Consider using older MSVC Platform Toolsets (like v141_xp or v143 ) which are less likely to enforce this dependency.
void GetPreciseTime(LPFILETIME ft) static PGSTPAF pGetSystemTimePreciseAsFileTime =(PGSTPAF)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"GetSystemTimePreciseAsFileTime");
Solving the "GetSystemTimePreciseAsFileTime" Error on Windows 7: Technical Explanations, Patches, and Fixes