Severe Slowdowns After Boot on New Windows 11 PC

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   Hello everyone,
I recently assembled a new PC with Windows 11 and I'm facing a problem.
When I start the PC, everything works fine for the first few seconds, then suddenly it begins to slow down: window animations become choppy, applications open more slowly, the audio sounds like it's in slow motion, and strangely, if I play a video on YouTube, besides the choppy audio, the video timer itself also runs in slow motion.
This usually lasts a few minutes, but the duration is inconsistent ??sometimes it lasts 30 seconds, other times up to 4 minutes.
After that, the problem does not occur again until the next reboot.
I have already tried reinstalling all the drivers and reformatting the PC several times without any success.
When I reset the system, I made sure to only keep the keyboard and mouse connected, so that all other drivers could be installed properly afterward.

The error that just appeared during startup is this:
Kernel-EventTracing ID 28 provider
"Error while setting traits on provider {8444a4fb-d8d3-4f38-84f8-89960a1ef12f}. Error: 0xC0000001."
I'm not sure if this could be the cause.

During the slowdown, I checked Task Manager and no component seems to be under stress (CPU and RAM are around 15-20%).

Here are my components:

Motherboard: Asrock X870 Pro RS WiFi

CPU: Ryzen 7 9800X3D

RAM: 2x Corsair Vengeance 16GB 6000MHz

PSU: Silent Storm Cool Zero 850W

CPU Cooler: Arctic Liquid Freezer III 360

GPU: Gigabyte Gaming OC RTX 3080

SSD: WD BLACK SN850X 2TB NVEM

What could it be? I don't know what else to try.

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Moriz31 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 29 Apr 2025 Status: Offline Points: 20	Post Options Post Reply Quote Moriz31 Report Post Thanks(0) Quote Reply Topic: Severe Slowdowns After Boot on New Windows 11 PC Posted: 29 Apr 2025 at 5:55pm
	Hello everyone, I recently assembled a new PC with Windows 11 and I'm facing a problem. When I start the PC, everything works fine for the first few seconds, then suddenly it begins to slow down: window animations become choppy, applications open more slowly, the audio sounds like it's in slow motion, and strangely, if I play a video on YouTube, besides the choppy audio, the video timer itself also runs in slow motion. This usually lasts a few minutes, but the duration is inconsistent ??sometimes it lasts 30 seconds, other times up to 4 minutes. After that, the problem does not occur again until the next reboot. I have already tried reinstalling all the drivers and reformatting the PC several times without any success. When I reset the system, I made sure to only keep the keyboard and mouse connected, so that all other drivers could be installed properly afterward. The error that just appeared during startup is this: Kernel-EventTracing ID 28 provider "Error while setting traits on provider {8444a4fb-d8d3-4f38-84f8-89960a1ef12f}. Error: 0xC0000001." I'm not sure if this could be the cause. During the slowdown, I checked Task Manager and no component seems to be under stress (CPU and RAM are around 15-20%). Here are my components: Motherboard: Asrock X870 Pro RS WiFi CPU: Ryzen 7 9800X3D RAM: 2x Corsair Vengeance 16GB 6000MHz PSU: Silent Storm Cool Zero 850W CPU Cooler: Arctic Liquid Freezer III 360 GPU: Gigabyte Gaming OC RTX 3080 SSD: WD BLACK SN850X 2TB NVEM What could it be? I don't know what else to try.

eccential Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 10 Oct 2022 Location: Nevada Status: Offline Points: 6035	Post Options Post Reply Quote eccential Report Post Thanks(0) Quote Reply Posted: 7 hours 31 minutes ago at 7:16pm
	My first guess is that it's overheating. Install hwinfo64, look at various temperatures, especially CPU temperature, while it's behaving like that. If your Arctic Liquid Freezer III 360 is hooked up to one of the motherboard fan connectors, see its water pump behavior.