HELP, my game wont Open.

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HTML5 Game Bundle (7 Games) – Created with Construct 3
  • I tried several times to Open it after many, MANY restartings of my Computer. but it still wouldnt. the last time i Saved it was literally 1 month ago from now.

    heres the Info:

    Error report information

    Type: unhandled rejection

    Reason: Error: Failed to fetch TypeError: Failed to fetch

    Stack: TypeError: Failed to fetch

    Construct version: r440.2

    URL: editor.construct.net

    Date: Tue Jul 22 2025 17:05:44 GMT+0200 (Centraleuropæisk sommertid)

    Uptime: 71.1 s

    Platform information

    Product: Construct 3 r440.2 (stable)

    Browser: Chrome 138.0.7204.158

    Browser engine: Chromium

    Context: browser

    Operating system: Windows 10

    Device type: desktop

    Device pixel ratio: 0.8999999761581421

    Logical CPU cores: 8

    Approx. device memory: 8 GB

    User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

    Language setting: en-US

    WebGL information

    Version string: WebGL 2.0 (OpenGL ES 3.0 Chromium)

    Numeric version: 2

    Supports NPOT textures: yes

    Supports GPU profiling: no

    Vendor: Google Inc. (NVIDIA)

    Renderer: ANGLE (NVIDIA, NVIDIA GeForce GTX 770M (0x000011E0) Direct3D11 vs_5_0 ps_5_0, D3D11)

    Major performance caveat: no

    Maximum texture size: 16384

    Point size range: 1 to 1024

    Extensions: EXT_clip_control, EXT_color_buffer_float, EXT_color_buffer_half_float, EXT_conservative_depth, EXT_depth_clamp, EXT_disjoint_timer_query_webgl2, EXT_float_blend, EXT_polygon_offset_clamp, EXT_render_snorm, EXT_texture_compression_bptc, EXT_texture_compression_rgtc, EXT_texture_filter_anisotropic, EXT_texture_mirror_clamp_to_edge, EXT_texture_norm16, KHR_parallel_shader_compile, NV_shader_noperspective_interpolation, OES_draw_buffers_indexed, OES_sample_variables, OES_shader_multisample_interpolation, OES_texture_float_linear, OVR_multiview2, WEBGL_blend_func_extended, WEBGL_clip_cull_distance, WEBGL_compressed_texture_s3tc, WEBGL_compressed_texture_s3tc_srgb, WEBGL_debug_renderer_info, WEBGL_debug_shaders, WEBGL_lose_context, WEBGL_multi_draw, WEBGL_polygon_mode, WEBGL_provoking_vertex, WEBGL_stencil_texturing

  • did you update to this new r449?

    edit - try going to this link and see if the game will open using r440.2

    construct.net/en/make-games/releases/stable/r440-2

  • i tried both r449 and r440.2 by now, and niether worked

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  • The error is "failed to fetch", which suggests some network request failed. Try looking in the browser console for a more detailed error message. If you send your project to supportgwm@construct.net we can also take a look.

  • Maybe that helps:

    https://www.construct.net/en/blogs/ashleys-blog-2/recovering-corrupt-zip-files-1895

    The tool itself:

    https://ashleyscirra.github.io/ZipRecoveryTool/

    Doesn't seem to work, it just frooze when the loading bar was filled.

  • The error is "failed to fetch", which suggests some network request failed. Try looking in the browser console for a more detailed error message. If you send your project to supportrxz@construct.net we can also take a look.

    I dont know where to look in order to figure out how to solve the problem by doing the Former, how/where do i contact you?

  • Take a look at the link I provided which explains how to check for errors in the browser console.

  • I tried what the Link suggested i should do. idk if this is what i was suppsoed to be lloking for:

    register-root-sw.js:17 Registered root service worker on editor.construct.net

    editor.construct.net/:1 Banner not shown: beforeinstallpromptevent.preventDefault() called. The page must call beforeinstallpromptevent.prompt() to show the banner.

    sandbox.html:1 An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can escape its sandboxing.

    main.js:29 Stop!

    main.js:29 This is a browser feature intended for developers. If someone told you to copy and paste something here to enable a feature or "hack" something, it is a scam and may allow them to steal your account information or your work.

    main.js:29 Note: this is the developer tools console for the Construct editor. If you're looking for developer tools for preview, be sure to open developer tools for the preview window instead.

    button:1 Failed to load resource: the server responded with a status of 400 ()

    m=credential_button_library:75 [GSI_LOGGER]: The given origin is not allowed for the given client ID.

    _.G m=credential_button_library:75

    [Violation] Potential permissions policy violation: identity-credentials-get is not allowed in this document.

    main.js:29 Registered service worker on editor.construct.net/r449

    469af4ef-5cf8-4629-9361-bbb27c32de07:1 Uncaught (in promise) TypeError: Cannot destructure property 'message' of 'e' as it is undefined.

    at ve (469af4ef-5cf8-4629-9361-bbb27c32de07:1:13781)

    at ge (469af4ef-5cf8-4629-9361-bbb27c32de07:1:13617)

    ve 469af4ef-5cf8-4629-9361-bbb27c32de07:1

    ge 469af4ef-5cf8-4629-9361-bbb27c32de07:1

    await in ge

    (anonymous) 469af4ef-5cf8-4629-9361-bbb27c32de07:1

    editor.construct.net/:1 Uncaught (in promise) TypeError: Failed to fetch

    editor.construct.net/:1 Uncaught (in promise) TypeError: Failed to fetch

    44022cf8-abe8-423d-86ca-e3ef271ea749:1 Uncaught (in promise) TypeError: Cannot destructure property 'message' of 'e' as it is undefined.

    at ve (44022cf8-abe8-423d-86ca-e3ef271ea749:1:13781)

    at ge (44022cf8-abe8-423d-86ca-e3ef271ea749:1:13617)

    ve 44022cf8-abe8-423d-86ca-e3ef271ea749:1

    ge 44022cf8-abe8-423d-86ca-e3ef271ea749:1

    await in ge

    (anonymous) 44022cf8-abe8-423d-86ca-e3ef271ea749:1

  • It's hard to tell from that, but my best guess is you have a browser extension installed that is interfering with Construct and causing problems. Try disabling any browser extensions you have installed.

  • I only have 3 Browsers extensions, i tried disabling all 3 of them.

    Still wont let me open the File for my game.

  • did you try on other PCs?

  • i dont have another PC to try it on.

  • did you just update Microsoft Edge or construct 3 when this problem happened?

  • I dont remember, but i was only away for 1 month before i returned taking a break. and back then it also occasionally did the same thing, but back then it only took 1-2 restarts of my PC to overcome the problem. but does it mean i have to update something now?

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