Repository: vscode
Issue: my vscode cant read .html adn .css files
Labels: info-needed


Type: <b>Performance Issue</b>

appear "code languange not supported or defined" notification, .html dan run if i open it from file explorer but i cant open it from vs code and live

VS Code version: Code 1.96.4 (cd4ee3b1c348a13bafd8f9ad8060705f6d4b9cba, 2025-01-16T00:16:19.038Z)
OS version: Windows_NT x64 10.0.22631
Modes:

<details>
<summary>System Info</summary>

|Item|Value|
|---|---|
|CPUs|11th Gen Intel(R) Core(TM) i5-11400H @ 2.70GHz (12 x 2688)|
|GPU Status|2d_canvas: enabled<br>canvas_oop_rasterization: enabled_on<br>direct_rendering_display_compositor: disabled_off_ok<br>gpu_compositing: enabled<br>multiple_raster_threads: enabled_on<br>opengl: enabled_on<br>rasterization: enabled<br>raw_draw: disabled_off_ok<br>skia_graphite: disabled_off<br>video_decode: enabled<br>video_encode: enabled<br>vulkan: disabled_off<br>webgl: enabled<br>webgl2: enabled<br>webgpu: enabled<br>webnn: disabled_off|
|Load (avg)|undefined|
|Memory (System)|15.78GB (4.87GB free)|
|Process Argv|--crash-reporter-id 2ff9a752-c0f0-43c6-871e-ba1932268ee1|
|Screen Reader|no|
|VM|0%|
</details><details>
<summary>Process Info</summary>

```
CPU %	Mem MB	   PID	Process
    0	   130	 16244	code main
    0	    93	  5216	fileWatcher [1]
    0	    32	  7920	   crashpad-handler
    0	    49	 11304	   utility-network-service
    0	   154	 17300	   gpu-process
    0	   106	 18008	ptyHost
    0	     7	  3316	     conpty-agent
    0	     7	  5264	     conpty-agent
    0	    63	 19580	     C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe -noexit -command "try { . \"c:\Users\Youdoo\AppData\Local\Programs\Microsoft VS Code\resources\app\out\vs\workbench\contrib\terminal\common\scripts\shellIntegration.ps1\" } catch {}"
    0	    63	 22580	     C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe -noexit -command "try { . \"c:\Users\Youdoo\AppData\Local\Programs\Microsoft VS Code\resources\app\out\vs\workbench\contrib\terminal\common\scripts\shellIntegration.ps1\" } catch {}"
    0	   126	 18280	shared-process
    0	   286	 23352	window [1] (test.html - Nyoba - Visual Studio Code)
    0	   540	 23484	extensionHost [1]
    0	   209	 10520	     c:\Users\Youdoo\.vscode\extensions\redhat.java-1.39.0-win32-x64\jre\21.0.5-win32-x86_64\bin\java --add-modules=ALL-SYSTEM --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.fs=ALL-UNNAMED -Declipse.application=org.eclipse.jdt.ls.core.id1 -Dosgi.bundles.defaultStartLevel=4 -Declipse.product=org.eclipse.jdt.ls.core.product -Djava.import.generatesMetadataFilesAtProjectRoot=false -DDetectVMInstallationsJob.disabled=true -Dfile.encoding=utf8 -XX:+UseParallelGC -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -Dsun.zip.disableMemoryMapping=true -Xmx1G -Xms100m -Xlog:disable -javaagent:c:\Users\Youdoo\.vscode\extensions\redhat.java-1.39.0-win32-x64\lombok\lombok-1.18.34.jar -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=c:\Users\Youdoo\AppData\Roaming\Code\User\workspaceStorage\399f08f3ca1d819d7490b0373cac65f0\redhat.java -Daether.dependencyCollector.impl=bf -jar c:\Users\Youdoo\.vscode\extensions\redhat.java-1.39.0-win32-x64\server\plugins\org.eclipse.equinox.launcher_1.6.900.v20240613-2009.jar -configuration c:\Users\Youdoo\AppData\Roaming\Code\User\globalStorage\redhat.java\1.39.0\config_win -data c:\Users\Youdoo\AppData\Roaming\Code\User\workspaceStorage\399f08f3ca1d819d7490b0373cac65f0\redhat.java\jdt_ws --pipe=\\.\pipe\lsp-f7d3295cd8cadef06cedacab21fc16b0-sock
    0	     4	 12704	     C:\WINDOWS\system32\cmd.exe /d /s /c ""c:\Users\Youdoo\.vscode\extensions\oracle.sql-developer-24.4.1-win32-x64\dbtools\jdk\bin\java.exe" -Djava.awt.headless=true -p "c:\Users\Youdoo\.vscode\extensions\oracle.sql-developer-24.4.1-win32-x64\dbtools\lib\modules";"c:\Users\Youdoo\.vscode\extensions\oracle.sql-developer-24.4.1-win32-x64\dbtools\sqlcl\lib\modules" --add-opens java.prefs/java.util.prefs=oracle.dbtools.common.all --add-opens org.eclipse.parsson/org.eclipse.parsson=orajsoda -m com.oracle.dbtools.app/com.oracle.dbtools.app.DatabaseToolsApplication server --key-id dbtools-client-23484 --clientProcessId 23484 MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwYeYBKPhLuzAGZNi7yVIiBMAJFQEgz1zFI3Ufx69PP14aEY9t8PugDSa9AHkJJZK/KE4Qcw3QIk2sMvE5HykCsPHG+HxeWePikL8qW9LcdijDFKuLqrScGwNgeQurR8jcbDZdzWIEFgerIOqGCbkNZSMZpkcOiwkMqhDY6mqMKiF1kaz2EJ9iv0iNkrG5EoslYClvY9OiyTGfl12Mna90Au9xM9iEXkBiuA/GJvWzpARPe+r5qRBEMgxtmdS3uHmSreEYrTiCdZ5arOzuyIyjEEHToRLV15yWnYaorS5ZbDCAp1TNMVz9ypsVwTKmVfxiZ8oSDxXmre50mp9x0A1PwIDAQAB"
    0	    11	  1296	       C:\WINDOWS\system32\conhost.exe 0x4
    0	   256	 12984	       "c:\Users\Youdoo\.vscode\extensions\oracle.sql-developer-24.4.1-win32-x64\dbtools\jdk\bin\java.exe"  -Djava.awt.headless=true -p "c:\Users\Youdoo\.vscode\extensions\oracle.sql-developer-24.4.1-win32-x64\dbtools\lib\modules";"c:\Users\Youdoo\.vscode\extensions\oracle.sql-developer-24.4.1-win32-x64\dbtools\sqlcl\lib\modules" --add-opens java.prefs/java.util.prefs=oracle.dbtools.common.all --add-opens org.eclipse.parsson/org.eclipse.parsson=orajsoda -m com.oracle.dbtools.app/com.oracle.dbtools.app.DatabaseToolsApplication server --key-id dbtools-client-23484 --clientProcessId 23484 MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwYeYBKPhLuzAGZNi7yVIiBMAJFQEgz1zFI3Ufx69PP14aEY9t8PugDSa9AHkJJZK/KE4Qcw3QIk2sMvE5HykCsPHG+HxeWePikL8qW9LcdijDFKuLqrScGwNgeQurR8jcbDZdzWIEFgerIOqGCbkNZSMZpkcOiwkMqhDY6mqMKiF1kaz2EJ9iv0iNkrG5EoslYClvY9OiyTGfl12Mna90Au9xM9iEXkBiuA/GJvWzpARPe+r5qRBEMgxtmdS3uHmSreEYrTiCdZ5arOzuyIyjEEHToRLV15yWnYaorS5ZbDCAp1TNMVz9ypsVwTKmVfxiZ8oSDxXmre50mp9x0A1PwIDAQAB
    0	     5	 14552	     C:\WINDOWS\system32\cmd.exe /d /s /c ""c:\Users\Youdoo\.vscode\extensions\vscjava.vscode-gradle-3.16.4\lib\gradle-server.bat" "--port=54663" "--startBuildServer=true" "--languageServerPipePath=\\.\pipe\aee7ae21ea21d75de7a85e16ee3007bd-sock" "--pipeName=\\.\pipe\deaba0d39043bb196564b56fa269506b-sock" "--bundleDir=c:\Users\Youdoo\.vscode\extensions\vscjava.vscode-gradle-3.16.4\server""
    0	   115	 11832	       "c:\Users\Youdoo\.vscode\extensions\redhat.java-1.39.0-win32-x64\jre\21.0.5-win32-x86_64/bin/java.exe"  "-Dfile.encoding=UTF-8"  --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang.invoke=ALL-UNNAMED --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED --add-opens=java.base/java.nio.charset=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.util.concurrent.atomic=ALL-UNNAMED  -classpath "c:\Users\Youdoo\.vscode\extensions\vscjava.vscode-gradle-3.16.4\lib\gradle-server.jar" com.github.badsyntax.gradle.GradleServer "--port=54663" "--startBuildServer=true" "--languageServerPipePath=\\.\pipe\aee7ae21ea21d75de7a85e16ee3007bd-sock" "--pipeName=\\.\pipe\deaba0d39043bb196564b56fa269506b-sock" "--bundleDir=c:\Users\Youdoo\.vscode\extensions\vscjava.vscode-gradle-3.16.4\server"
    0	    11	 18184	       C:\WINDOWS\system32\conhost.exe 0x4
    0	   252	 16764	     c:\Users\Youdoo\.vscode\extensions\ms-dotnettools.csharp-2.61.28-win32-x64\.roslyn\Microsoft.CodeAnalysis.LanguageServer.exe --logLevel Information --razorSourceGenerator c:\Users\Youdoo\.vscode\extensions\ms-dotnettools.csharp-2.61.28-win32-x64\.razor\Microsoft.CodeAnalysis.Razor.Compiler.dll --razorDesignTimePath c:\Users\Youdoo\.vscode\extensions\ms-dotnettools.csharp-2.61.28-win32-x64\.razor\Targets\Microsoft.NET.Sdk.Razor.DesignTime.targets --devKitDependencyPath c:\Users\Youdoo\.vscode\extensions\ms-dotnettools.csharp-2.61.28-win32-x64\.roslynDevKit\Microsoft.VisualStudio.LanguageServices.DevKit.dll --sessionId 41f00154-8f24-420d-be19-ba0c5fa8a0041737885122755 --extension c:\Users\Youdoo\.vscode\extensions\ms-dotnettools.csharp-2.61.28-win32-x64\.xamlTools\Microsoft.VisualStudio.DesignTools.CodeAnalysis.dll --extension c:\Users\Youdoo\.vscode\extensions\ms-dotnettools.csharp-2.61.28-win32-x64\.xamlTools\Microsoft.VisualStudio.DesignTools.CodeAnalysis.Diagnostics.dll --telemetryLevel all --extensionLogDirectory c:\Users\Youdoo\AppData\Roaming\Code\logs\20250126T165201\window1\exthost\ms-dotnettools.csharp
    0	   215	 19472	     "C:\Users\Youdoo\AppData\Local\Programs\Microsoft VS Code\Code.exe" c:\Users\Youdoo\.vscode\extensions\angular.ng-template-19.0.4\server --logToConsole --ngProbeLocations c:\Users\Youdoo\.vscode\extensions\angular.ng-template-19.0.4,c:\Users\Youdoo\Documents\coding\Nyoba --includeAutomaticOptionalChainCompletions --includeCompletionsWithSnippetText --tsProbeLocations c:\Users\Youdoo\.vscode\extensions\angular.ng-template-19.0.4,c:\Users\Youdoo\Documents\coding\Nyoba --node-ipc --clientProcessId=23484
    0	   200	 23280	     "C:\Users\Youdoo\Documents\College\Semester 3\Week 2\Mobile prog\flutter\bin\cache\dart-sdk\bin\dart.exe" language-server --protocol=lsp --client-id=VS-Code --client-version=3.102.0
    0	    11	 11528	       C:\WINDOWS\system32\conhost.exe 0x4
    0	   137	 23384	     "C:\Users\Youdoo\AppData\Local\Programs\Microsoft VS Code\Code.exe" "c:\Users\Youdoo\AppData\Local\Programs\Microsoft VS Code\resources\app\extensions\html-language-features\server\dist\node\htmlServerMain" --node-ipc --clientProcessId=23484
```

</details>
<details>
<summary>Workspace Info</summary>

```
|  Window (test.html - Nyoba - Visual Studio Code)
|    Folder (Nyoba): 17 files
|      File types: py(7) json(2) html(2) wsuo(1) sqlite(1) ipynb(1)
|      Conf files:;
```

</details>
<details><summary>Extensions (51)</summary>

Extension|Author (truncated)|Version
---|---|---
nodejs-bundle|1Yi|1.0.0
svelte-bundle|1Yi|1.0.0
ng-template|Ang|19.0.4
vscode-color|ans|0.4.5
svelte-intellisense|ard|0.7.1
htmlplay|bia|0.0.10
vscode-intelephense-client|bme|1.12.6
dart-code|Dar|3.102.0
vscode-babel-coloring|dza|0.0.4
vscode-html-css|ecm|2.0.13
vscode-svelte-snippets|fiv|0.5.0
code-runner|for|0.12.2
copilot|Git|1.259.0
copilot-chat|Git|0.23.2
gc-excelviewer|Gra|4.2.62
svg|joc|1.5.4
css-snippets|joy|1.0.4
csdevkit|ms-|1.15.34
csharp|ms-|2.61.28
vscode-dotnet-runtime|ms-|2.2.5
debugpy|ms-|2024.14.0
isort|ms-|2023.10.1
python|ms-|2024.22.2
vscode-pylance|ms-|2024.12.1
jupyter|ms-|2024.11.0
jupyter-keymap|ms-|1.1.2
jupyter-renderers|ms-|1.0.21
vscode-jupyter-cell-tags|ms-|0.1.9
vscode-jupyter-slideshow|ms-|0.1.6
vsliveshare|ms-|1.0.5948
sql-developer|Ora|24.4.1
nodejs-snippets|piy|0.0.2
material-icon-theme|PKi|5.19.0
java|red|1.39.0
perl|ric|2.6.2
LiveServer|rit|5.7.9
vs-code-prettier-eslint|rve|6.0.0
vscode-standard|sta|2.1.3
svelte-vscode|sve|109.5.2
react-redux-es6-snippets|tim|2.1.0
intellicode-api-usage-examples|Vis|0.2.9
vscodeintellicode|Vis|1.3.2
vscode-gradle|vsc|3.16.4
vscode-java-debug|vsc|0.58.1
vscode-java-dependency|vsc|0.24.1
vscode-java-pack|vsc|0.29.0
vscode-java-test|vsc|0.43.0
vscode-maven|vsc|0.44.0
JavaScriptSnippets|xab|1.8.0
vscode-surround|yat|1.5.0
material-theme|zhu|3.17.7


</details><details>
<summary>A/B Experiments</summary>

```
vsliv368cf:30146710
vspor879:30202332
vspor708:30202333
vspor363:30204092
vscod805cf:30301675
binariesv615:30325510
vsaa593:30376534
py29gd2263:31024239
c4g48928:30535728
azure-dev_surveyone:30548225
962ge761:30959799
pythonnoceb:30805159
pythonmypyd1:30879173
2e7ec940:31000449
pythontbext0:30879054
cppperfnew:31000557
dsvsc020:30976470
pythonait:31006305
dsvsc021:30996838
dvdeprecation:31068756
dwnewjupytercf:31046870
2f103344:31071589
nativerepl1:31139838
pythonrstrctxt:31112756
nativeloc1:31192215
cf971741:31144450
iacca1:31171482
notype1:31157159
5fd0e150:31155592
dwcopilot:31170013
stablechunks:31184530
6074i472:31201624
dwoutputs:31217127
9064b325:31222308
copilot_t_ci:31222730

```

</details>

<!-- generated by issue reporter -->