Open regedit (Registry Editor) and navigate to:
You missed the C:\Windows\System32\drivers folder. Manually delete s7oiehsx.sys , s7opcx.sys , and s7impi.sys . Reboot.
If any detect “Simatic” or similar entries as riskware/PUP, quarantine them. Simatic Device Drivers Wow Uninstall High Quality
to force-delete driver packages that won't uninstall through Device Manager: pnputil /delete-driver /uninstall /force Microsoft Learn Troubleshooting "Wow" (32-bit) Compatibility
The term "High Quality" is often used in online titles for SEO or to denote a thorough "clean" uninstallation that removes leftover registry keys and files. Standard Uninstallation Process Open regedit (Registry Editor) and navigate to: You
: This often persists in File Explorer even after uninstallation. Registry Editor Navigate to:
When you finally do remove them, if you do it poorly, you get the "Simatic Device Drivers Wow Uninstall" paradox—you think they are gone (Wow!), but they aren't (Oh no). If any detect “Simatic” or similar entries as
A removes 100% of the driver payload, scrubs the registry, and allows for a clean reinstall without rebooting twenty times.
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Right-click > . Check the box: "Delete the driver software for this device."