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[GH-ISSUE #8420] Windows Installer hangs at the end of install due to overwolf #5409

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opened 2026-04-12 16:38:52 -05:00 by GiteaMirror · 2 comments
GiteaMirror commented 2026-04-12 16:38:52 -05:00
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Originally created by @Norbz on GitHub (Jan 14, 2025).
Original GitHub issue: https://github.com/ollama/ollama/issues/8420

What is the issue?

Hi,

I've encountered a bug while upgrading ollama that also occurs when installing or trying to uninstall.
At the very end of the process, the windows will become disabled (can't move it, can't put in in foreground), witht he icon being higlighted in red on the taskbar, like if a modal was in the way.

Looking for the logs showned nothing. So I looked in the call stack of the install process, and found out that overwolf was causing the hang.
Killing overwolf from the tray icon immediately finishes the install.

Looking at logs, the installation is actually finished, overwolf seems just to be preventing the auto closing of the installer window.

Image

2025-01-14 13:42:40.680   Deleting uninstall key left over from previous non administrative install.
2025-01-14 13:42:40.680   Creating new uninstall key: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\{44E83376-CE68-45EB-8FC1-393500EB558C}_is1
2025-01-14 13:42:40.680   Writing uninstall key values.
2025-01-14 13:42:40.680   Detected previous administrative 64-bit install? No
2025-01-14 13:42:40.680   Detected previous administrative 32-bit install? No
2025-01-14 13:42:40.684   Installation process succeeded.

I've had help on this on the discord, but as the problem is quite unusual, I've tough it could be interesting to report the issue (that might be on overwolf side) to at least propose the very simple solution on the FAQ.

Let me know if I can provide more logs or information, I'd be glad to help.

OS

Windows

GPU

Nvidia

CPU

AMD

Ollama version

0.5.5

Originally created by @Norbz on GitHub (Jan 14, 2025). Original GitHub issue: https://github.com/ollama/ollama/issues/8420 ### What is the issue? Hi, I've encountered a bug while upgrading ollama that also occurs when installing or trying to uninstall. At the very end of the process, the windows will become disabled (can't move it, can't put in in foreground), witht he icon being higlighted in red on the taskbar, like if a modal was in the way. Looking for the logs showned nothing. So I looked in the call stack of the install process, and found out that overwolf was causing the hang. Killing overwolf from the tray icon immediately finishes the install. Looking at logs, the installation is actually finished, overwolf seems just to be preventing the auto closing of the installer window. ![Image](https://github.com/user-attachments/assets/9bc72579-7a42-417c-ab06-df6760aefffa) ``` 2025-01-14 13:42:40.680 Deleting uninstall key left over from previous non administrative install. 2025-01-14 13:42:40.680 Creating new uninstall key: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\{44E83376-CE68-45EB-8FC1-393500EB558C}_is1 2025-01-14 13:42:40.680 Writing uninstall key values. 2025-01-14 13:42:40.680 Detected previous administrative 64-bit install? No 2025-01-14 13:42:40.680 Detected previous administrative 32-bit install? No 2025-01-14 13:42:40.684 Installation process succeeded. ``` I've had help on this on the discord, but as the problem is quite unusual, I've tough it could be interesting to report the issue (that might be on overwolf side) to at least propose the very simple solution on the FAQ. Let me know if I can provide more logs or information, I'd be glad to help. ### OS Windows ### GPU Nvidia ### CPU AMD ### Ollama version 0.5.5
GiteaMirror added the installbugwindows labels 2026-04-12 16:38:52 -05:00
GiteaMirror commented 2026-04-12 16:38:53 -05:00
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@Clappingfetus commented on GitHub (Jan 22, 2025):

I had this same issue today during installation. It freezes at 100% but it completed the installation successfully.

Then I changed my mind and decided to move to a docker installation of Ollama instead, So I ran the uninstaller, and I got the same behavior during that procedure too. It's been stuck on the uninstall screen (at around 15%) for an hour, so I am going to have to stop the process from the task manager.

Windows 11
RTX 4070 Super gpu
Ryzen 5700g cpu

<!-- gh-comment-id:2607971291 --> @Clappingfetus commented on GitHub (Jan 22, 2025): I had this same issue today during installation. It freezes at 100% but it completed the installation successfully. Then I changed my mind and decided to move to a docker installation of Ollama instead, So I ran the uninstaller, and I got the same behavior during that procedure too. It's been stuck on the uninstall screen (at around 15%) for an hour, so I am going to have to stop the process from the task manager. Windows 11 RTX 4070 Super gpu Ryzen 5700g cpu
GiteaMirror commented 2026-04-12 16:38:53 -05:00
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@weironz commented on GitHub (Aug 25, 2025):

same here:

Image

Windows 11
RTX 4070
intel cpu

<!-- gh-comment-id:3220445718 --> @weironz commented on GitHub (Aug 25, 2025): same here: <img width="1094" height="637" alt="Image" src="https://github.com/user-attachments/assets/a0d280a8-5bce-4a95-9cbb-4627982aa07a" /> Windows 11 RTX 4070 intel cpu
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