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'Access denied' during UninstallDriver api call

Also by EldoS: CallbackProcess
A component to control process creation and termination in Windows and .NET applications.
Posted: 06/06/2016 07:11:57
by Chris Spiteri (Standard support level)
Joined: 10/06/2014
Posts: 57


Sometimes when calling UninstallDriver() the api call returns an 'Access denied' exception, even though Detach() is called.

We still cannot reproduce this at will and we are unclear what is causing this yet.

Would you be able to list some conditions that might cause access to be denied when uninstalling, in an attempt to focus our tests and try to reproduce it better?

Thanks and best regards,
Posted: 06/06/2016 07:54:07
by Vladimir Cherniga (Team)

DetachFilter is asynchronous procedure, by default. Use DetachFilterEx, to make sure that filter detached and can be uninstalled. Uninstall fails with access denied, when filter is active at that moment.
Posted: 06/06/2016 08:46:10
by Chris Spiteri (Standard support level)
Joined: 10/06/2014
Posts: 57

Thank you, we'll try that.

Best regards,



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