December 11, 2020 at 9:58 pmNovedgnikSubscriber
I have exported a PCB from SIwave to HFFS 3D.December 14, 2020 at 7:35 pmVivekKambleAnsys EmployeenA recent Windows update, Microsoft update KB4571756, results in one of the Windows functions (DescribePixelFormat) crashing on startup.nFor versions 2018.0 and newer, please try setting the environment variable ANSYS_EM_DONOT_PRELOAD_3DDRIVER_DLL=1 to get around the problem.n nFor guidance on creating an Environment Variable please refer to this link. You need to create a NEW Variable.nnhttps://www.onmsft.com/how-to/how-to-set-an-environment-variable-in-windows-10n nNew Variable Name: ANSYS_EM_DONOT_PRELOAD_3DDRIVER_DLLnNew Variable Value: 1n nYou may also try uninstalling update KB4571756.nTo uninstall the Windows update:n1. Select the start button or Windows Desktop Search and type update history and select View your Update history.n2. On the Settings/View update history dialog window, Select Uninstall Updates.n3. On the Installed Updates dialog window, find and select KB4571756, and then click the Uninstall button.n4. Restart your Windows device.n nAdditionally, you may be able to run the following from an elevated CMD to uninstall the update:n wusa /uninstall /KB:4571756 /quiet /promptrestartn nI hope this helps and please do not hesitate to let us know if you have any further queries.nnRegards, nViveknViewing 1 reply thread
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