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error 0xc000007b after win10 update

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August 20, 2020 - 1:33pm
#1
lutzd
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error 0xc000007b after win10 update

After Win10 Update most PortableApps Programs started with error 0xc000007b
Firefox, Thunderbird didn't but
Irfanview, Lightscreen, and many other do error 0xc000007b
At moment my fix ist to start directly from Appdir:
U:\PortableApps\LightscreenPortable\App\Lightscreen\lightscreen.exe works
U:\PortableApps\LightscreenPortable\LightscreenPortable.exe dont start tc. error 0xc000007b
Is there any Hotfix, known Grouppolicy or Startpolicy to start USB based Programs better result for PA?

thanks for serve me
Lutz

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November 4, 2020 - 4:52am
StefanBC
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+1

I have the exact same issue, tested multiple App they all fail with the same error after upgrading to Windows 10 20H2 x64

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June 20, 2021 - 12:49am
(Reply to #2)
Jimma
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Also have exact same problem.

This fails on my desktop, which has an AMD processor Ryzen 9 3900XT.
The problem does not exist on my laptop, which has an Intel I7 processor.

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June 20, 2021 - 8:30am
John T. Haller
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Switch Mandatory ASLR back to the Windows 10 default

This will occur if you turn on "Force randomization for images (Mandatory ASLR)" in Windows 10. This will break all installers and other small programs compiled with NSIS 2.x. The PortableApps.com Launcher 2.x, which the apps you mentioned use, is built with NSIS 2.x.

To fix this, turn Mandatory ASLR back off, the default in Windows 10. To do this, click Start and type security. Click on Windows Security. Click on App & browser control. Click Exploit protection settings. Change 'Force ranomization for images (Mandatory ASLR)' back to 'Use default (Off)'. The change will take effect when you reboot.

Sometimes, the impossible can become possible, if you're awesome!

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