[Bug] Blank window on Windows portable build #414

New Issue

MrUnknownDE · 2026-04-05T16:18:43+02:00

MrUnknownDE commented

2026-04-05 16:18:43 +02:00

Originally created by @babo4d on 6/30/2025

Describe the bug
Portable release does not function properly, showing a blank window with nothing happening.

To Reproduce
Steps to reproduce the behavior:

Download and extract the portable release
Run VRCX.exe
App starts but the window is blank
Check logs, thinks it's linux, some errors, see below.

2025-06-29 18:52:17.3241 [INFO ] VRCX.Program         - VRCX 2025.06.30 Starting... 
2025-06-29 18:52:17.4340 [INFO ] VRCX.Program         - Args: ["C:\\Users\\xxx\\Downloads\\VRCX_20250630\\VRCX.dll"] 
2025-06-29 18:52:17.4340 [DEBUG] VRCX.Program         - Wine detection: False 
2025-06-29 18:52:17.5186 [DEBUG] VRCX.ProcessMonitor  - Added process vrchat to process monitor. 
2025-06-29 18:52:17.5186 [DEBUG] VRCX.ProcessMonitor  - Added process vrserver to process monitor. 
2025-06-29 18:52:17.5704 [INFO ] VRCX.WorldDBManager  - Listening for requests on http://127.0.0.1:22500/ 
2025-06-29 18:52:18.5519 [INFO ] VRCX.ProcessMonitor  - Monitored process vrchat (PID: 33432) started. 
2025-06-29 18:52:20.0400 [DEBUG] VRCX.MainForm        - isLinux: true (file://vrcx/app.js:1332) 
2025-06-29 18:52:20.0670 [DEBUG] VRCX.MainForm        - Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'callDotNetMethod') (file://vrcx/app.js:645) 
2025-06-29 18:52:24.7990 [DEBUG] VRCX.MainForm        - Uncaught ReferenceError: $app is not defined (about:blank:1) 
2025-06-29 18:52:24.8278 [DEBUG] VRCX.MainForm        - Uncaught ReferenceError: $app is not defined (about:blank:1)

Expected behavior

Portable release worked as expected in previous version 2025.05.09

The regular setup version works as expected when downloaded and installed from here

Screenshots

What version you are running
2025.06.30

*Originally created by @babo4d on 6/30/2025* **Describe the bug** Portable release does not function properly, showing a blank window with nothing happening. **To Reproduce** Steps to reproduce the behavior: 1. Download and extract the [portable release](https://github.com/vrcx-team/VRCX/releases/download/v2025.06.30/VRCX_20250630.zip) 2. Run VRCX.exe 3. App starts but the window is blank 4. Check logs, thinks it's linux, some errors, see below. ``` 2025-06-29 18:52:17.3241 [INFO ] VRCX.Program - VRCX 2025.06.30 Starting... 2025-06-29 18:52:17.4340 [INFO ] VRCX.Program - Args: ["C:\\Users\\xxx\\Downloads\\VRCX_20250630\\VRCX.dll"] 2025-06-29 18:52:17.4340 [DEBUG] VRCX.Program - Wine detection: False 2025-06-29 18:52:17.5186 [DEBUG] VRCX.ProcessMonitor - Added process vrchat to process monitor. 2025-06-29 18:52:17.5186 [DEBUG] VRCX.ProcessMonitor - Added process vrserver to process monitor. 2025-06-29 18:52:17.5704 [INFO ] VRCX.WorldDBManager - Listening for requests on http://127.0.0.1:22500/ 2025-06-29 18:52:18.5519 [INFO ] VRCX.ProcessMonitor - Monitored process vrchat (PID: 33432) started. 2025-06-29 18:52:20.0400 [DEBUG] VRCX.MainForm - isLinux: true (file://vrcx/app.js:1332) 2025-06-29 18:52:20.0670 [DEBUG] VRCX.MainForm - Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'callDotNetMethod') (file://vrcx/app.js:645) 2025-06-29 18:52:24.7990 [DEBUG] VRCX.MainForm - Uncaught ReferenceError: $app is not defined (about:blank:1) 2025-06-29 18:52:24.8278 [DEBUG] VRCX.MainForm - Uncaught ReferenceError: $app is not defined (about:blank:1) ``` **Expected behavior** Portable release worked as expected in previous version 2025.05.09 The regular setup version works as expected when downloaded and installed from [here](https://github.com/vrcx-team/VRCX/releases/download/v2025.06.30/VRCX_20250630_Setup.exe) **Screenshots** ![Image](https://github.com/user-attachments/assets/f7c8ef61-4dbb-40db-bac5-54228b1f2697) **What version you are running** 2025.06.30

MrUnknownDE closed this issue

2026-04-05 16:18:43 +02:00

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Reference: github/VRCX#414