Fixing This program requires flash.ocx, which is no longer included in this version of Windows.

In case you got this error, download Flash with your Internet Explorer. Uncheck install to Chrome/Firefox if it is checked for you.
Credits to http://player.gomlab.com/faq_view.gom?seq=445

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System.Windows.Forms.AxHost+InvalidActiveXStateException

How to flash NVIDIA graphics card BIOS

[Official] NVFlash with certificate checks bypassed for GTX 950/960/970/980/980Ti/Titan X
http://www.overclock.net/t/1521334/official-nvflash-with-certificate-checks-bypassed-for-gtx-950-960-970-980-980ti-titan-x

*Flashing NVIDIA graphics card bios voids warranty

1. Download NVFlash (sometimes the lastest NVFlash is in the last page of the thread), BIOS Editing Tools and GPU-Z
2. Export the original BIOS in GPU-Z to backup
3. Open and edit the BIOS in the editing tool
4. Export the edited BIOS
5. Disable the graphics card in Device Manager (make sure you have a second graphics output option first, no need to uninstall driver)
6. Drag the edited BIOSto the NVFlash exe, press y when prompted

Eorrers
BCRT Error: Certificate 2.0 verification failed <- Need to disable the graphics card in Device Manager

See also
Disable Boost and "Bake-In" Max Game Stable Clocks for Maxwell
http://www.overclock.net/t/1522651/disable-boost-and-bake-in-max-game-stable-clocks-for-maxwell