Real functional responsiveness
Checks the practical response of Windows and presents a clear overall responsiveness evaluation. Normal background activity is separated from evidence of a real latency or response problem.
Official LatencyCheck Windows diagnostic utility
Latency Check Professional GUI, also identified as LatencyCheck Professional GUI and LatencyCheck, is designed to evaluate practical Windows responsiveness rather than treating every activity count as a fault. The utility combines a clear overall assessment with deeper diagnostic workflows when trace-level investigation is required.
PlatformWindows 10 and Windows 11, 64-bit.
Primary purposeWindows responsiveness and latency diagnosis.
Advanced analysisETW/xperf trace workflows for DPC/ISR and driver attribution.
Result managementHistory, comparisons and reports for later review.
Latency Check Professional GUI capabilities
ETW, xperf, DPC and ISR analysis
Supports advanced trace analysis when deeper investigation is needed, including DPC/ISR event examination and attribution to the driver or component involved.
History and comparisons
Keeps previous results so a current scan can be compared after driver changes, Windows updates, repairs or other system modifications.
Reports and multilingual interface
Provides user-facing diagnostic information and reports in the selected language, with clearer presentation for trace, driver-attribution and comparison workflows.
Installation and requirements
- Windows 10 or Windows 11, 64-bit.
- Administrator rights for installation.
- Administrator rights for Advanced Trace, WPR and ETW features.
- .NET Desktop Runtime 8 where the application indicates that it is required.
- Windows Performance Toolkit components such as WPR, WPA or xperf only for the advanced trace workflows that use them.
- The .NET SDK is not required for normal use; it is relevant only to source-code building or compilation.
Official Latency Check Professional GUI download
The installer is distributed through the official LatencyCheck GitHub Releases repository. The latest-download address always resolves to the current public installer named LatencyCheck_Setup_Professional_GUI.exe.
Publisher and official identity
Latency Check Professional GUI is presented through F.I.C. Windows Utilities by G.V. Raftogiannis FIC (George/Georgios Raftogiannis). This page is the dedicated product address for the LatencyCheck Windows diagnostic utility.