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[GH-ISSUE #490] Windows 7 not supported? Error: 0xc0000005 #154

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opened 2026-10-13 20:13:52 +00:00 by bsakaguchi · 12 comments

bsakaguchi commented

2026-10-13 20:13:52 +00:00

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Originally created by @ElectroMyStyle on GitHub (Jan 6, 2024).
Original GitHub issue: https://github.com/amnezia-vpn/amnezia-client/issues/490

Describe the bug
During the installation of the application on Windows 7, an error occurs - 0xc0000005. When trying to uninstall an application through the installer file, the same error occurs. After installation, the application files are installed in the folder C:/Program Files/AmneziaVPN, but when trying to launch the application AmneziaVPN.exe an error occurs - 0xc0000005

To Reproduce
Steps to reproduce the behavior:

Downloaded the installer version 4.1.2 from the Release section
Launched the installation file on Windows 7 Ultimate SP1
Apparently, upon completion of the installation, the application file does not run, which gives an error - 0xc0000005
See the error in the screenshot

Expected behavior
I expect the application to work

Log files
The log file is attached. InstallationLog.txt

Screenshots

Desktop (please complete the following information):

OS: Windows 7 Ultimate SP 1

Additional context
I examined the error log in Windows and found two errors:

Event ID: 7000. The AmneziaVPN-service service failed to start due to the following error:
The service did not respond to the start or control request in a timely fashion.
Event ID: 7009. A timeout was reached (30000 milliseconds) while waiting for the AmneziaVPN-service service to connect.

Originally created by @ElectroMyStyle on GitHub (Jan 6, 2024). Original GitHub issue: https://github.com/amnezia-vpn/amnezia-client/issues/490 **Describe the bug** During the installation of the application on Windows 7, an error occurs - `0xc0000005`. When trying to uninstall an application through the installer file, the same error occurs. After installation, the application files are installed in the folder `C:/Program Files/AmneziaVPN`, but when trying to launch the application `AmneziaVPN.exe `an error occurs - `0xc0000005` **To Reproduce** Steps to reproduce the behavior: 1. Downloaded the installer version 4.1.2 from the [Release section](https://github.com/amnezia-vpn/amnezia-client/releases) 2. Launched the installation file on Windows 7 Ultimate SP1 3. Apparently, upon completion of the installation, the application file does not run, which gives an error - `0xc0000005` 4. See the error in the screenshot **Expected behavior** I expect the application to work **Log files** The log file is attached. [InstallationLog.txt](https://github.com/amnezia-vpn/amnezia-client/files/13849967/InstallationLog.txt) **Screenshots** ![Amnezia Install](https://github.com/amnezia-vpn/amnezia-client/assets/5159210/2b360dff-7f9d-487b-a8f4-e59dab80a7b2) ![Amnezia Uninstall](https://github.com/amnezia-vpn/amnezia-client/assets/5159210/0c718723-92b1-4c04-9612-0d2d1eed59ec) **Desktop (please complete the following information):** - OS: Windows 7 Ultimate SP 1 **Additional context** I examined the error log in Windows and found two errors: 1. Event ID: 7000. The AmneziaVPN-service service failed to start due to the following error: The service did not respond to the start or control request in a timely fashion. 2. Event ID: 7009. A timeout was reached (30000 milliseconds) while waiting for the AmneziaVPN-service service to connect.

bsakaguchi closed this issue

2026-10-13 20:13:52 +00:00

bsakaguchi commented

2026-10-13 20:13:53 +00:00

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@Bushroott commented on GitHub (Jan 26, 2024):

Windows 7 is not supported because the version of Qt used by the developers does not support it.
Why they use the latest versions of libraries remains a mystery. There is no technical need for this. New doesn't mean better.

@Bushroott commented on GitHub (Jan 26, 2024): Windows 7 is not supported because the version of Qt used by the developers does not support it. Why they use the latest versions of libraries remains a mystery. There is no technical need for this. New doesn't mean better.

bsakaguchi commented

2026-10-13 20:13:54 +00:00

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@Healertime commented on GitHub (Feb 24, 2024):

Is there an earlier release that will work?

@Healertime commented on GitHub (Feb 24, 2024): Is there an earlier release that will work?

bsakaguchi commented

2026-10-13 20:13:54 +00:00

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@Bushroott commented on GitHub (Feb 26, 2024):

Is there an earlier release that will work?

2.1.2

@Bushroott commented on GitHub (Feb 26, 2024): > Is there an earlier release that will work? 2.1.2

bsakaguchi commented

2026-10-13 20:13:54 +00:00

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@pokamest commented on GitHub (Feb 26, 2024):

We are working on Windows 7 support, I hope it will be finished in couple weeks

@pokamest commented on GitHub (Feb 26, 2024): We are working on Windows 7 support, I hope it will be finished in couple weeks

bsakaguchi commented

2026-10-13 20:13:54 +00:00

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@Bushroott commented on GitHub (May 2, 2024):

Nothing has changed in the new version 4.5.3
The program does not work in Windows 7
As before, there is no OS version check before installation.

@Bushroott commented on GitHub (May 2, 2024): Nothing has changed in the new version 4.5.3 The program does not work in Windows 7 As before, there is no OS version check before installation.

bsakaguchi commented

2026-10-13 20:13:55 +00:00

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@maximlunegov commented on GitHub (May 10, 2024):

As before, there is no OS version check before installation.

And I think there should be a note in the release about the compatible OS version.

@maximlunegov commented on GitHub (May 10, 2024): > As before, there is no OS version check before installation. And I think there should be a note in the release about the compatible OS version.

bsakaguchi commented

2026-10-13 20:13:55 +00:00

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@deksden commented on GitHub (Aug 12, 2024):

@pokamest : any news for windows 7 support? Latest released (4.6+) did not install/work on win7, old release 2.1.2 did not work with modern configs.

here is patched QT6 working on Win7: https://github.com/crystalidea/qt6windows7

@deksden commented on GitHub (Aug 12, 2024): @pokamest : any news for windows 7 support? Latest released (4.6+) did not install/work on win7, old release 2.1.2 did not work with modern configs. here is patched QT6 working on Win7: https://github.com/crystalidea/qt6windows7

bsakaguchi commented

2026-10-13 20:13:56 +00:00

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@mir-math commented on GitHub (Oct 29, 2024):

I have unzipped 4.7.0 installation file into a folder, replaced all QT6 dll-s to those from (https://github.com/crystalidea/qt6windows7) and client still doesn't start. Says:
Entry point ?vulkanInstance@QWindow@@QEBAPEAVQVulkanInstance@@XZ not found in DLL Qt6Gui.dll.

Looks like we are facing known issue from that project "QRhi using DirectX 11/12 is not ported". QTDesigner in the same folder works, so qt6windows7's DLL-s are working, but this is not enough for AmneziaVPN.

@mir-math commented on GitHub (Oct 29, 2024): I have unzipped 4.7.0 installation file into a folder, replaced all QT6 dll-s to those from (https://github.com/crystalidea/qt6windows7) and client still doesn't start. Says: Entry point ?vulkanInstance@QWindow@@QEBAPEAVQVulkanInstance@@XZ not found in DLL Qt6Gui.dll. Looks like we are facing known issue from that project "QRhi using DirectX 11/12 is not ported". QTDesigner in the same folder works, so qt6windows7's DLL-s are working, but this is not enough for AmneziaVPN.

bsakaguchi commented

2026-10-13 20:13:56 +00:00

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@deksden commented on GitHub (Nov 1, 2024):

I hoping that this issue is important and will be resolved!

@deksden commented on GitHub (Nov 1, 2024): I hoping that this issue is important and will be resolved!

bsakaguchi commented

2026-10-13 20:13:57 +00:00

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@Maggistrator commented on GitHub (Dec 23, 2024):

Agreed. Some relatives of mine are unwilling to migrate from Windows 7, so I need Windows 7 support badly to let them connect to my Amnezia server

@Maggistrator commented on GitHub (Dec 23, 2024): Agreed. Some relatives of mine are unwilling to migrate from Windows 7, so I need Windows 7 support badly to let them connect to my Amnezia server

bsakaguchi commented

2026-10-13 20:13:57 +00:00

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@freethinked commented on GitHub (Feb 18, 2025):

Version 4.8.3.1, Windows 7 still doesn't work

@freethinked commented on GitHub (Feb 18, 2025): Version 4.8.3.1, Windows 7 still doesn't work

bsakaguchi commented

2026-10-13 20:13:57 +00:00

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@Nethius commented on GitHub (Feb 20, 2025):