Can't Launch Davinci Resolve Windows 10

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Dwaine Maggart

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Re: Can't Launch Davinci Resolve Windows 10

PostTue Feb 09, 2021 11:28 pm

What have I started??? WHY did you mess with the config.dat file???

For anyone else reading this, the config.dat files I've sent to people who have damaged config.dat files are hand crafted for those users. DO NOT USE a config.dat file I've sent to someone else!

Do you have any existing Resolve project data you care about, or is this a first time install?
Dwaine Maggart
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Ivan Lara Mainar

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Re: Can't Launch Davinci Resolve Windows 10

PostWed Feb 10, 2021 6:02 am

Good morning Dwaine,

Yes, I tried to replace in the past my config.dat file from another post/user, sorry..

No, I don't want to keep any old project, just to make Davinci work again.

In the past I also tried to install version 16 from a fresh install, but the same issues remain.

Thanks again for your time and patience.

Ivan
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mmmmmmm78

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Re: Can't Launch Davinci Resolve Windows 10

PostWed Feb 10, 2021 12:27 pm

I'm facing the same problem except it Davinci Resolve 17 on Windows 10. I tried to get the .NFO, but I don't have the option "run", i only have "run administrator". Please help.
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Dwaine Maggart

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Re: Can't Launch Davinci Resolve Windows 10

PostWed Feb 10, 2021 5:35 pm

@Ivan:

OK, then we'll do a clean install again, using the procedure below:

Uninstall Resolve using Windows Control Panel - Programs and Features.

Also uninstall any other Resolve related apps, such as Resolve Keyboard, Resolve Panels and Fairlight apps.

Don't uninstall PostgreSQL 9.5.

Don't continue with the items below unless the uninstall items above worked!

After Uninstalling Resolve, check that the C:\Program Files\Blackmagic Design\DaVinci Resolve folder has been removed. If the DaVinci Resolve folder still exists, delete it.

For the next steps, you need to make sure you can see hidden files/folders in File Explorer. You can Google for how to do that, if it's not already in that mode, and you are not sure how to enable that.

Rename folder C:\ProgramData\Blackmagic Design\DaVinci Resolve to C:\ProgramData\Blackmagic Design\DaVinci Resolve.bak

Rename folder C:\Users\ivanl\AppData\Roaming\Blackmagic Design\DaVinci Resolve to C:\Users\ivanl\AppData\Roaming\Blackmagic Design\DaVinci Resolve.bak

Now reinstall Resolve. Don't install any Fairlight related items.

Launch Resolve. What you should see is the onboarding video. Watch or skip that and do the Quick Setup.

Now does Resolve run? If not, send another Resolve log and Windows System Info .NFO file.
Dwaine Maggart
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Dwaine Maggart

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Re: Can't Launch Davinci Resolve Windows 10

PostWed Feb 10, 2021 5:36 pm

@Tarek: I don't understand what your issue is regarding the .NFO?

Run the System Information app, and select File - Save to generate an .NFO file.
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Ivan Lara Mainar

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Re: Can't Launch Davinci Resolve Windows 10

PostWed Feb 10, 2021 7:36 pm

Good afternoon Dwaine,

Thanks again for all your time and patience.

It worked!, but only once... I saved a video with all the process (it's also shown how to achieve the .NFO files and DR logs in case anybody has problems getting them).

https://drive.google.com/drive/folders/ ... sp=sharing

It's very strange, isn't it?

Thanks and regards.

Ivan
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Dwaine Maggart

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Re: Can't Launch Davinci Resolve Windows 10

PostWed Feb 10, 2021 8:06 pm

Is Resolve crashing? Or is it hanging and you are force closing it?

I don't know that you've done this yet. If not: disconnect all USB devices except a wired keyboard and mouse. Disconnect any USB Bluetooth dongles, wireless headsets, audio or camera devices, USB HDMI capture dongles, etc etc.

I see you for sure have some sort of Logitech gaming speaker that's USB connected. For sure disconnect that.

After disconnecting all the USB stuff, does Resolve work?
Dwaine Maggart
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Re: Can't Launch Davinci Resolve Windows 10

PostWed Feb 10, 2021 8:26 pm

I'm now part of the 25 minute Resolve startup club. I was working on a project using the colors tab and the program crashed. I waited a few seconds then relaunched the program and ever since this point I have not experienced normal Resolve operations. I started the app and went to get lunch - 45 minutes later it was open but as soon as I attempt to load a project the app takes another 10-15 minutes to load the project. Once I'm in the project it is also extremely slow. Thumbnails may or may not load in before the program eventually crashes again.

I have followed the various guidances from this thread including uninstalling the program, reinstalling the program, uninstalling again, reinstalling v 17. Updated GPU drivers from nvidia approved studio drivers to game ready dist. Still taking 10+ minutes at the 'Looking for control surfaces' stage of the splash screen.

This is incredibly confounding since I literally did nothing between normal program use and it crashing and not being able to restart within a reasonable period of time.
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Re: Can't Launch Davinci Resolve Windows 10

PostWed Feb 10, 2021 8:43 pm

Since I'm waiting on my post to be moderated into existence here is the log file you are requesting from other folks

https://drive.google.com/file/d/156yC0i ... sp=sharing
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Ivan Lara Mainar

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Re: Can't Launch Davinci Resolve Windows 10

PostWed Feb 10, 2021 8:49 pm

Good evening Dwaine,

It worked!!!!!!! :D

I disconnected all my USB devices and reconnected them again, one by one. The problem came with my USB videocamera (AUKEY 1080p). Once is disconnected, Davinci starts flawless and without any issues.

I think the problem is related with the audio of the webcam, as if I disable it, Davinci starts with no issues:

Image

Again, one million thanks for your time and patience, is great to know that Davinci resolve has this great customer support and people behind. :)

Ivan
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Re: Can't Launch Davinci Resolve Windows 10

PostWed Mar 17, 2021 1:33 pm

"Looking for Control Surfaces"

Long time user of multiple studio versions of DR... currently running 17.

Came into work and tried to start up DR as usual - Would show the cut screen and "looking for control surfaces" dialogue.... Then vanish.

No trace of DR in task manager - No weird background processes ... No overnight driver updates... No weird security patches... None of the usual suspects... I scrolled this thread to no avail.

One comment about removing every accessory except hard wired keyboard caught my eye.

Yesterday, I was using a usb speaker to do some audio quality checks. It's the only system change since yesterday.

I had opened and closed DR yesterday, but not shut down computer... hence today, the USB speaker was part of Windows 10 boot up process.

I unplugged the USB speaker on a whim, and DR started up immediately on my next try! ... No reboot... Just unplug speaker... click link.

At first, this seemed bizarre, but closer thinking is that this might be an obscure bug where DR was looking for a control surface... found the usb speaker and "thinking" it was an accessory... got stuck in the handshake process.

This is likely a special case and possibly contributed to by some dodgy handshake protocols of the USB speaker as well.

Hope this helps someone along the way.

Cheers,

Nx
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Re: Can't Launch Davinci Resolve Windows 10

PostFri Mar 19, 2021 3:35 pm

This may help, I had the same problem with i7 laptop. The loading screen would appear for a few seconds then disappear. Fixed this by unplugging a video capture device that I had from a usb port and all works now as expected.
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Re: Can't Launch Davinci Resolve Windows 10

PostWed Mar 31, 2021 3:43 am

Dwaine,

I have the same problem here. Resolve is hanging or running extremely slow. Tried to disconnect all USB devices including a video cam and the USB mouse following the discussion of this thread and uninstall and install version 17 clean. Updated GPU driver to the latest. Updated Dell as well. Would you please have a look at the capture log file and system information? Thank you in advance.
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Re: Can't Launch Davinci Resolve Windows 10

PostThu Apr 22, 2021 8:48 pm

RichardW wrote:This may help, I had the same problem with i7 laptop. The loading screen would appear for a few seconds then disappear. Fixed this by unplugging a video capture device that I had from a usb port and all works now as expected.


This was it! Thank you!!!
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Dwaine Maggart

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Re: Can't Launch Davinci Resolve Windows 10

PostMon Apr 26, 2021 11:11 pm

@Bo: I'd like to look at the system info, but unfortunately, you didn't send any.

It looks like a typical USB device hang. If you've really disconnected all the USB stuff, then the next thought would be a firewall or security software issue blocking network ports that Resolve needs to communicate over.

You can do the following in a Windows Powershell window, opened as an Admin user:

Enter this string:

netsh int ipv4 set dynamicportrange protocol=tcp startport=49152 numberofports=16384

This will make sure all the ports are normally assigned. Try Resolve now. If still an issue, then try this:

Get-NetTCPConnection | Where-Object { $_.State -eq "Listen" -and $_.LocalPort -eq 1144 } | ForEach-Object { (get-process -id $_.OwningProcess).Description }

If there is an app on the system interfering with Resolves port access, it will be displayed after running this.

If none of that helps, it could be third party OFX plugins causing a hang. Look to see if you have this folder:

C:\Program Files\Common Files\OFX

If you do, rename the OFX folder to OFX.tmp. Now see if Resolve will launch. If so, one of the OFX plugins is causing an issue.
Dwaine Maggart
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ChrisFHH

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Re: Can't Launch Davinci Resolve Windows 10

PostWed Jun 23, 2021 1:12 pm

Hello,
I couldn't start Davinci Resolve on my Dell XPS 17 9700 laptop (GTX 1650 Ti).

The following steps worked for me (no guarantee if this causes any system damage, but it shouldn't):

1. Install latest Nvidia GTX 1650 Ti studio driver (maybe optional, but I did)
2. Uninstall Intel SDK for OpenCL (Settings, Apps...)
3. Download and install latest Intel Graphics Windows 10 DCH Drivers (I downloaded version 27.20.100.9466)
4. Uninstall and reinstall Resolve (Latest version)

Christoph
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Kaaaiii

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Re: Can't Launch Davinci Resolve Windows 10

PostSat Jul 31, 2021 4:00 am

Davinci Resolve 17 always crashed and cant open now
Device: Laptop
AMD 4600H GTX 1650
Driver: Nvidia Studio (Newest version)
Windows 10
Even i tried to change the compability,reinstalled it,reinstall windows still cant solve
Any solution? :(
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Dwaine Maggart

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Re: Can't Launch Davinci Resolve Windows 10

PostTue Aug 10, 2021 1:13 am

In a File Explorer window, go to:

C:\Program Files\Blackmagic Design\DaVinci Resolve

and run CaptureLogs

This will place a Resolve log file named similar to this on your Windows desktop: DaVinci-Resolve-logs-20181228_140434.zip (You may not see the .zip extension if your system is set to hide known extensions).

Then open Windows System Information and do a File - Save (Not a File Export), which will generate a .NFO file.

Place both those files on a file sharing site and provide links to the files here.

If you are a new Forum user, you may not be allowed to post URLs. If this happens, just put a space near the front of the URL, so the system doesn't think it's a URL.
Dwaine Maggart
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SİYAHOK

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Re: Can't Launch Davinci Resolve Windows 10

PostFri Sep 17, 2021 1:11 am

Hi Mr. Dwaine Maggart please help me. (Sory my english is very bad.) Studio 16 work but Studio 17 dont work...İts not opening... my files is in this link: https://we.tl/t-ez7SN6w3uk

Many Thanks ...
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Dwaine Maggart

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Re: Can't Launch Davinci Resolve Windows 10

PostFri Sep 17, 2021 9:31 am

It appears that your Red Giant plugins are causing the issue.

As a test to prevent those from loading, in File Explorer, go to this folder:

C:\Program Files\Common Files\OFX

Then rename the Plugins folder to Plugins.tmp

That should prevent those plugins from being loaded. See if that allows Resolve to start. If it still doesn't start, send another Resolve log. The NFO file you sent was not correct. To generate a proper NFO file, open the Windows System Information app, and select the File - Save menu. That will create a .NFO file. Send that as well.
Dwaine Maggart
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SİYAHOK

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Re: Can't Launch Davinci Resolve Windows 10

PostFri Sep 17, 2021 9:45 am

Dwaine Maggart wrote:It appears that your Red Giant plugins are causing the issue.

As a test to prevent those from loading, in File Explorer, go to this folder:

C:\Program Files\Common Files\OFX

Then rename the Plugins folder to Plugins.tmp

That should prevent those plugins from being loaded. See if that allows Resolve to start. If it still doesn't start, send another Resolve log. The NFO file you sent was not correct. To generate a proper NFO file, open the Windows System Information app, and select the File - Save menu. That will create a .NFO file. Send that as well.



VERY THANK YOU SİR...I DO İT AND İTS WORK :) MANY MANY THANKS
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