How does software-only mode work for video capture in Snagit? Should I use it?

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I saw a post that suggests downloading and running a "reg" file to use Snagit in "software-only" mode in order to help video and audio stay in sync.  What is a "reg" file and how does "software-only" mode work to help Snagit video and audio stay in sync?  I downloaded the zip file for Snagit 2018, but I don't want to install it until I understand what it does and why and how it works, and whether I actually need it?  I can't find an actual explanation for how it works and pros and cons.  I just upgraded Snagit to the 2018 version on a Windows 10 Lenovo Thinkpad, which is a relatively new machine for me.  I previously ran Snagit on an older MacBookPro.
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toddli

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Posted 1 year ago

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Rick Stone

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While I cannot speak to the other issues you are curious about, I can tell you that a "REG" file is a file produced by the Windows Registry Editor.

Oftentimes folks will open the Registry Editor and make tweaks to different "keys" in the Windows Registry to influence certain behaviors for software. Once you make a tweak to a key, you have an option to export that key from the registry. When you do that, it creates a file with a REG file extension. That makes it easy to import the key into other Windows systems to achieve the same effect as you would have by launching the Windows Registry Editor, finding the key, making the tweak, then closing the Registry Editor.

Cheers... Rick :)
(Edited)
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toddli

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Thanks, Rick.  That raises the question - if I run the Snagit 2018 reg file, what does that do to the Registry?  Does it make the video capture "software-only" permanent or an changeable option?  Todd
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JL1

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A link to the post you mentioned would be useful.
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toddli

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here is the link to the article on video capture using Snagit for Windows: https://support.techsmith.com/hc/en-us/articles/203731518-Snagit-Windows-Troubleshooting-Video-Captu...

Within this post is a link to attached zip files for "software-only mode" reg files for Snagit 2018 and Snagit13.
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Joe Morgan

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A repair install would "Undo" it.

 That would be the easiest way to reverse the change. In most cases, this is unlikely to help you to get achieve a better recording. 
But giving it a whirl  can't hurt, you might be one of those people that should disable your GPU. "That's what you would be doing" 

Run a Repair install from the control panel, just select SnagIt 13 and "Repair" In a couple of min.,  it will be repaired. They are very ease to run.

Regards,Joe