PurrOS & SimHub

Software setup, haptic profiles and every known software fix.

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PurrOS and the PurrForce SimHub profile.

PurrOS · all products

PurrOS 2.0 — what it doesReleased 11 June 2026. Highlights:
PurrForce haptics in SimHub — setupPurrOS 2.0 includes native PurrForce control — the steps below cover the SimHub path, which remains fully supported.
Where to download everythingPurrOS 2.0 — fatblackcat.io/downloads (purrOS.2.0_26.06.144_x64-setup.zip) · PurrForce SimHub profile — same page (v2.04.2026.1)…

Software

PurrOS, SimHub and sim-specific gremlins.

PurrOS · all products

Pedals behave wrong in ACC / LMU / ACE (stuck %, won’t reach 100%)Calibrate in PurrOS and click SEND TO DEVICE — calibrating alone isn't enough.Move to a USB 2.0 motherboard port (no hub).Uninstall and reinstall PurrOS …
“Send to Device” button greyed out / no confirmation — did it work?Yes. In PurrOS 2.0 the button fades while sending and there is no confirmation sound or dialog — changes go live to the pedals immediately (unlike 1.0…
Le Mans Ultimate sends no telemetry to SimHubResolved ticket: LMU wasn't feeding SimHub at all (pedals and SimHub were fine). Culprit: corrupted Microsoft Visual C++ redistributables. Fix: repair the…
Calibration reads ~10 kg lower max force on PurrOS 2.0 vs beta?Signal processing changed from 1.0 → 2.0 (not from beta → release). If the top end feels more "chatty", calibrate with a slightly lower max brake force and…

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