: Install a clean demo version of WinOLS (like 2.14). Run it once, then uninstall it. This process often lays the correct groundwork for the main software.
The 4.7 installer modifies system DEP settings, which prevents the older 2.24 loader from running. Adding loader_ols_32bit.exe to DEP exceptions resolves this conflict.
If you continue to have issues, you may need to reconsider using an older version of WinOLS, as newer 64-bit native versions are more stable on modern Windows systems.
Check and select Windows 7 or Windows XP (Service Pack 3) . Check "Run this program as an administrator" . 5. Disable Antivirus / Add Exclusions
Crucially, check the box for 4. Check for Missing "EVC" Folders
: Double-click loader_ols_32bit.exe (always as administrator). A message should appear, prompting you to restart the application or confirming the license.
Check your antivirus "Quarantine" folder. If you see files like winols.exe or specific .dll files listed there, restore them and add the WinOLS installation folder to your Exclusion List . 2. Install Visual C++ Redistributable Packages
In such cases, consult WinOLS user forums (like Digital Kaos or MHH Auto) or contact a professional tuning support service.
Download the for versions 2005, 2008, and 2010.