6 Minutes to start the application?

I have found the issue and indeed it seems to have been a drive initiation issue where Kdenlive attempted to access a drive it should not have poked at, but it was surprisingly not among the usual suspects. And funny enough this lead me to fix another persistent issue with Disk Manager! :grinning:

I went completely nuclear on all drives in my system, removed all links to network drives, ejected a DVD I had in an old burner, removed an old Samsung phone I had attached etc. Then I went even further and begun to remove all image-mounting apps such as Daemon Tools. Around then I also realized that ā€œDisk Managementā€ also load suspiciously slow, and I had two devices I couldn’t see where they came from. One used Elby Virtual CloneDrive and the other appeared as ā€œBR17 DEVICE V1.00 USB Device.ā€ which is a device I have no idea what it was. One post I found elsewhere said it might be some weird ghost driver from a speaker.

I do not have that particular speaker but I uninstalled the driver.

I do not know which one fixed it but once Elby Virtual CloneDrive and the ā€œBR17 DEVICE V1.00 USB Device.ā€ ghost driver was gone, KDenlive now starts up in 3 seconds!

As full transparency I will give you a list of things I also did while trying to fix it that did NOT address the issue below:

  1. I tested to relink %Video% to a local folder on T: (one of my faster M.2 drives) and it did not fix the issue. As a nuclear test I also disconnected fully all my mapped harddrives, ejected a DVD player and removed an android phone I tend to have connected. None of these fixed the issue.
  2. 23.08.5 and 22.12.3 also took 6 minutes to load.
  3. I have been able to run Kdenlive in the past (and used it) without a hitch. Kdenlive runs on my 2ndary also without a hitch. But its been about half a year since I last did so and it is only now I get this issue at boot up.
  4. As requested I tried Kdenlive after fully uninstalling K-Lite (with a reboot). It did not fix things.
  5. I wiped the system32\temp folder as well, no change.
  6. I made sure that all Overlays (Nvidia, Bandicam and Discord) were turned off.
  7. I disabled my webcam since it’s the only other hardware change I could think of this year, and updating to Logitech Gaming Hub (I used their older driver before).
  8. I forced a full Windows 10 update.
  9. I disabled Windows Defender’s realtime protection and firewall.

Also; what you wrote above is not entirely true, so for the sake of saving you guys a headache searching for issues;
You wrote ā€œOn M2. T:\ 4tb you have linked from C:\ %Video% %Documents% %Desktop%ā€. But this should be; ā€œOn M2. T:\ 4tb you have linked from C:\ %Saved Games% %Documents% %Desktop%ā€

You also asked where K: is physically located. It is a ~10 terrabyte SATA drive which is physically installed in my 2ndary computer (which is a full tower, not a laptop). This is mapped on my main as K: and I have changed the location to %Video%, %Pictures% and %Music%.

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