SDFtool Flasher

Forum for discussions about UHD-capable dives
Cthulhu
Posts: 4
Joined: Wed Sep 23, 2026 11:53 pm

Re: SDFtool Flasher

Post by Cthulhu »

hello I keep getting this error and have no idea what I'm doing wrong thanks for any help.
Last edited by Cthulhu on Thu Sep 24, 2026 1:23 am, edited 1 time in total.
Woodstock
Posts: 10975
Joined: Sun Jul 24, 2011 11:21 pm

Re: SDFtool Flasher

Post by Woodstock »

Knowing WHAT error you are receiving would be helpful in aiding you in fixing it.
Cthulhu
Posts: 4
Joined: Wed Sep 23, 2026 11:53 pm

Re: SDFtool Flasher

Post by Cthulhu »

Woodstock wrote: Thu Sep 24, 2026 1:18 am Knowing WHAT error you are receiving would be helpful in aiding you in fixing it.
sorry I had added a screen shot when I made the post but it didn't upload it's a Microsoft.net error that pops up when I open the SDFtool flasher.exe that says" Unhandled exception has occurred in your application. If you click continue the appllcation will ignore this error and attempt to continue.If you click quit, the application will close immediately.

An error occurred trying to start process 'C:\Program Files (x86)\MakeMKV\sdftool64.exe' with working directory 'C:\Program Files (x86)\MakeMKV' the system cannot find the file specified.

Drive Information
OS device name: G:
Manufacturer: HL-DT-ST
Product: BD-RE BU40N
Revision: U102
Serial number: **********
Firmware date: 2119-05-10 13:19
Bus encryption flags: 1F

LibreDrive Information
Status: Possible, not yet enabled
Drive platform: MT1959

also if it matters I'm on windows 11 fully up to date
willy
Posts: 3
Joined: Thu Sep 24, 2026 2:57 pm

Re: SDFtool Flasher

Post by willy »

Cthulhu wrote: Thu Sep 24, 2026 1:37 am
Woodstock wrote: Thu Sep 24, 2026 1:18 am Knowing WHAT error you are receiving would be helpful in aiding you in fixing it.
sorry I had added a screen shot when I made the post but it didn't upload it's a Microsoft.net error that pops up when I open the SDFtool flasher.exe that says" Unhandled exception has occurred in your application. If you click continue the appllcation will ignore this error and attempt to continue.If you click quit, the application will close immediately.

An error occurred trying to start process 'C:\Program Files (x86)\MakeMKV\sdftool64.exe' with working directory 'C:\Program Files (x86)\MakeMKV' the system cannot find the file specified.

Drive Information
OS device name: G:
Manufacturer: HL-DT-ST
Product: BD-RE BU40N
Revision: U102
Serial number: **********
Firmware date: 2119-05-10 13:19
Bus encryption flags: 1F

LibreDrive Information
Status: Possible, not yet enabled
Drive platform: MT1959

also if it matters I'm on windows 11 fully up to date


Hello

But I have exactly the same problem as Cthulhu.
I have included a photo of the problem for you.

Thank you for your help.
Last edited by willy on Thu Sep 24, 2026 3:29 pm, edited 1 time in total.
dcoke22
Posts: 4579
Joined: Wed Jul 22, 2020 11:25 pm

Re: SDFtool Flasher

Post by dcoke22 »

willy wrote: Thu Sep 24, 2026 3:16 pm I have included a photo of the problem for you.
The storage available on the forum for posting photos & files is very limited and it is usually full and doesn't work, as it didn't for you.

Your best bet is to put a photo somewhere on the internet (https://imgur.com works well for example) and post a link here.
willy
Posts: 3
Joined: Thu Sep 24, 2026 2:57 pm

Re: SDFtool Flasher

Post by willy »

Here is the link to the screenshot of the error message I received.

https://postimg.cc/D82Wctzv

Thank you ,dcoke22, for this information.
Cthulhu
Posts: 4
Joined: Wed Sep 23, 2026 11:53 pm

Re: SDFtool Flasher

Post by Cthulhu »

willy wrote: Thu Sep 24, 2026 5:40 pm Here is the link to the screenshot of the error message I received.

https://postimg.cc/D82Wctzv

Thank you ,dcoke22, for this information.
This is exactly the same one Im getting thanks for posting a screenshot of it
Runstile
Posts: 2
Joined: Fri Sep 25, 2026 12:18 am

Re: SDFtool Flasher

Post by Runstile »

I am getting the same error. It looks to me from reading everything that MakeMKV used have sdftool64.exe included, which the SDFTool Flasher looks for when starting up. Without it in the MakeMKV directory, it will not start up correctly. Is there a current work around, or an ETD for updated tool?
MartyMcNuts
Posts: 5079
Joined: Wed Nov 22, 2017 11:45 pm

Re: SDFtool Flasher

Post by MartyMcNuts »

Cthulhu wrote: Thu Sep 24, 2026 5:51 pm
willy wrote: Thu Sep 24, 2026 5:40 pm Here is the link to the screenshot of the error message I received.

https://postimg.cc/D82Wctzv

Thank you ,dcoke22, for this information.
This is exactly the same one Im getting thanks for posting a screenshot of it
Which version of SDFtool Flasher are you using? The latter versions should all include .NET runtimes so that you don't have to install it yourself.
Also, ensure you have MakeMKV installed in the default location ('C:\Program Files (x86)\MakeMKV)
Cheers :D
----------------------------------------------------------------------------------------------------------------------------
** NEW Single Drive Flasher ** available worldwide! https://payhip.com/b/MyeJ9
Email: martymcnuts@outlook.com
willy
Posts: 3
Joined: Thu Sep 24, 2026 2:57 pm

Re: SDFtool Flasher

Post by willy »

MartyMcNuts wrote: Fri Sep 25, 2026 1:14 am
Cthulhu wrote: Thu Sep 24, 2026 5:51 pm
willy wrote: Thu Sep 24, 2026 5:40 pm Here is the link to the screenshot of the error message I received.

https://postimg.cc/D82Wctzv

Thank you ,dcoke22, for this information.
This is exactly the same one Im getting thanks for posting a screenshot of it
Which version of SDFtool Flasher are you using? The latter versions should all include .NET runtimes so that you don't have to install it yourself.
Also, ensure you have MakeMKV installed in the default location (C:\Program Files (x86)\MakeMKV)
I used versions v1.3.6 and v1.3.5 of SDFtool. . And MakeMKV is properly installed on (C:\Program Files (x86)\MakeMKV).

Thank you for your help. :D
Last edited by willy on Fri Sep 25, 2026 1:16 pm, edited 3 times in total.
Cthulhu
Posts: 4
Joined: Wed Sep 23, 2026 11:53 pm

Re: SDFtool Flasher

Post by Cthulhu »

willy wrote: Fri Sep 25, 2026 1:09 pm
MartyMcNuts wrote: Fri Sep 25, 2026 1:14 am
Cthulhu wrote: Thu Sep 24, 2026 5:51 pm

This is exactly the same one Im getting thanks for posting a screenshot of it
Which version of SDFtool Flasher are you using? The latter versions should all include .NET runtimes so that you don't have to install it yourself.
Also, ensure you have MakeMKV installed in the default location (C:\Program Files (x86)\MakeMKV)
I used versions v1.3.6 and v1.3.5 of SDFtool. . And MakeMKV is properly installed on (C:\Program Files (x86)\MakeMKV).

Thank you for your help. :D
I did the same as willy as well as reinstalling the .NET runtimes
Sayaka
Posts: 308
Joined: Sat Feb 28, 2026 3:00 pm

Re: SDFtool Flasher

Post by Sayaka »