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[GH-ISSUE #12691] [Windows] Ollama server not starting when launching app #34179

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opened 2026-04-22 17:33:33 -05:00 by GiteaMirror · 2 comments
GiteaMirror commented 2026-04-22 17:33:33 -05:00
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Originally created by @akuropka on GitHub (Oct 19, 2025).
Original GitHub issue: https://github.com/ollama/ollama/issues/12691

Originally assigned to: @dhiltgen on GitHub.

What is the issue?

Only ollama app.exe is started but not ollama.exe.
Server.log file remains empty.

If I reinstall Ollama (just over the existing one or after removing it) it works again for some time again but after a few reboots the issue happens again.

Relevant log output

time=2025-10-19T06:15:08.993+02:00 level=INFO source=app_windows.go:272 msg="starting Ollama" app="C:\\Program Files\\Ollama" version=0.12.6 OS=Windows/10.0.26220
time=2025-10-19T06:15:09.127+02:00 level=INFO source=app.go:232 msg="initialized tools registry" tool_count=0
time=2025-10-19T06:15:09.133+02:00 level=INFO source=app.go:247 msg="starting ollama server"
time=2025-10-19T06:15:09.417+02:00 level=INFO source=app.go:279 msg="starting ui server" port=58722
time=2025-10-19T06:15:10.984+02:00 level=INFO source=ui.go:171 msg=site.serveHTTP http.method=GET http.path=/api/v1/settings http.pattern="GET /api/v1/settings" http.status=200 http.d=530.3µs request_id=1760847310984447000 version=0.12.6
time=2025-10-19T06:15:10.986+02:00 level=INFO source=ui.go:171 msg=site.serveHTTP http.method=GET http.path=/api/v1/health http.pattern="GET /api/v1/health" http.status=200 http.d=787µs request_id=1760847310985525900 version=0.12.6
time=2025-10-19T06:15:10.986+02:00 level=INFO source=ui.go:171 msg=site.serveHTTP http.method=GET http.path=/api/v1/chats http.pattern="GET /api/v1/chats" http.status=200 http.d=0s request_id=1760847310986846300 version=0.12.6
time=2025-10-19T06:15:11.007+02:00 level=WARN source=ui.go:1600 msg="failed to show model details" error="Post \"http://0.0.0.0:11434/api/show\": dial tcp 0.0.0.0:11434: connectex: Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte." model=deepseek-r1:8b

OS

Windows

GPU

Nvidia

CPU

Intel

Ollama version

0.12.6

Originally created by @akuropka on GitHub (Oct 19, 2025). Original GitHub issue: https://github.com/ollama/ollama/issues/12691 Originally assigned to: @dhiltgen on GitHub. ### What is the issue? Only `ollama app.exe` is started but not `ollama.exe`. `Server.log` file remains empty. If I reinstall Ollama (just over the existing one or after removing it) it works again for some time again but after a few reboots the issue happens again. ### Relevant log output ```shell time=2025-10-19T06:15:08.993+02:00 level=INFO source=app_windows.go:272 msg="starting Ollama" app="C:\\Program Files\\Ollama" version=0.12.6 OS=Windows/10.0.26220 time=2025-10-19T06:15:09.127+02:00 level=INFO source=app.go:232 msg="initialized tools registry" tool_count=0 time=2025-10-19T06:15:09.133+02:00 level=INFO source=app.go:247 msg="starting ollama server" time=2025-10-19T06:15:09.417+02:00 level=INFO source=app.go:279 msg="starting ui server" port=58722 time=2025-10-19T06:15:10.984+02:00 level=INFO source=ui.go:171 msg=site.serveHTTP http.method=GET http.path=/api/v1/settings http.pattern="GET /api/v1/settings" http.status=200 http.d=530.3µs request_id=1760847310984447000 version=0.12.6 time=2025-10-19T06:15:10.986+02:00 level=INFO source=ui.go:171 msg=site.serveHTTP http.method=GET http.path=/api/v1/health http.pattern="GET /api/v1/health" http.status=200 http.d=787µs request_id=1760847310985525900 version=0.12.6 time=2025-10-19T06:15:10.986+02:00 level=INFO source=ui.go:171 msg=site.serveHTTP http.method=GET http.path=/api/v1/chats http.pattern="GET /api/v1/chats" http.status=200 http.d=0s request_id=1760847310986846300 version=0.12.6 time=2025-10-19T06:15:11.007+02:00 level=WARN source=ui.go:1600 msg="failed to show model details" error="Post \"http://0.0.0.0:11434/api/show\": dial tcp 0.0.0.0:11434: connectex: Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte." model=deepseek-r1:8b ``` ### OS Windows ### GPU Nvidia ### CPU Intel ### Ollama version 0.12.6
GiteaMirror added the bugwindows labels 2026-04-22 17:33:33 -05:00
GiteaMirror commented 2026-04-22 17:33:37 -05:00
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@dhiltgen commented on GitHub (Nov 5, 2025):

A number of windows regressions have been fixed recently. Please give 0.12.10 a try which should hopefully resolve your problem. If not, please share an updated log.

<!-- gh-comment-id:3494037882 --> @dhiltgen commented on GitHub (Nov 5, 2025): A number of windows regressions have been fixed recently. Please give 0.12.10 a try which should hopefully resolve your problem. If not, please share an updated log.
GiteaMirror commented 2026-04-22 17:33:39 -05:00
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@dhiltgen commented on GitHub (Nov 14, 2025):

Please upgrade to the latest version v0.12.11 which should resolve your issue. If you're still having troubles, please share an updated log and I'll reopen the issue.

<!-- gh-comment-id:3530367110 --> @dhiltgen commented on GitHub (Nov 14, 2025): Please upgrade to the latest version v0.12.11 which should resolve your issue. If you're still having troubles, please share an updated log and I'll reopen the issue.
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