WinOLS Full Pro Plugins - ECU CS1 CS2 Checksum Checker 2025-08-25

New release thread for WinOLS 4.26 (VMWare) - Full Professional Suite with 66 Plugins: discuss, share feedback, and get help.

WinOLS 4.26 (VMWare) - Full Professional Suite with 66 Plugins​#

The latest WinOLS 4.26 in a ready-to-run VMWare machine, fully loaded with 66 essential checksum plu

The Evolution of Tuning: WinOLS 4.26 on a Virtual Platform​

---

This is the definitive professional package for WinOLS 4.26, delivered as a convenient, pre-installed, and pre-activated VMWare virtual machine. This version offers a modern interface and enhanced capabilities for today's complex ECUs. Its true power lies in the included library of 62 essential checksum plugins, making it a complete, ready-to-work solution for the...

Click to expand...

Click to expand...

Frequently Asked Questions​#

Which Windows version is recommended?
For maximum stability during ECU flashing and diagnostics, a clean installation of Windows 10 (64-bit) is recommended.
Is it compatible with J2534 PassThru?
Most modern software versions support standard J2534 interfaces like Scanmatik 2 Pro, OpenPort 2.0, and specific VCI adapters.

What's inside:

• Overview & screenshots
• Version history and compatibility
• Download link and setup notes

View full details and download — WinOLS 4.26 (VMWare) - Full Professional Suite with 66 Plugins

It's asking for registration:

ssrli88 said:

It's asking for registration:
View attachment 3732

Click to expand...

it work for next 36runs after this you can find in folder with winols reset file.

ondriss97 said:

it work for next 36runs after this you can find in folder with winols reset file.

Click to expand...

how do you reset it ?

Hello! I cannot find a tutorial on how to run this program? It just shows "failed to load WDAPI1200.dll" and that's it. Is it allowed to put this program in the "C" drive, and does it need to be archived in some special way? Thank you.