Application r5apex.exe has been blocked from accessing Graphics hardware

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@DeltaSabre69 wrote:

Nah, I already tried it. I tried all versions from the most current to about 5 versions back, and it made no difference. Used ddu every time and repeated my tests.

Now on the new card, everything is back the way I was using it before, no underclocking and no tdr reg tweaks.

It's definitely an issue with the card. 

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While that makes it a tad more confusing, it at least helps narrow down the overall issue. I know now if it's not firewall related, that it's hardware related, and to focus on that side.

 

At least now I can run down a list of hardware/software repair methods.

 

 

1] Uninstall and Re-install the graphics card driver

2] Run the Hardware Devices troubleshooter

3] Give access to graphics hardware to applications

4] Disable TDR checker

 

 

You don't need to do any of these, just posting it here for others reading the thread.  And of course, those steps are just a general trouble shoot.