Any version shows "Failed to add profile"

[mwx280]

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• [X] I searched and no similar issues were found

What Happened?

I reinstalled the system once today, and the result shows "Failed to add configuration file, unexpected connection error" regardless of the version.

Minimal Reproducible Example (MRE)

1. Open Hiddify
2. Click Add profile from clipboard

Expected Behavior

Add the configuration file as normal

Version

v2.0.5 and Any version

Platform/OS

Windows

Additional Context

Application Config Options

{
  "region": "cn",
  "block-ads": false,
  "execute-config-as-is": false,
  "log-level": "warn",
  "resolve-destination": false,
  "ipv6-mode": "ipv4_only",
  "remote-dns-address": "udp://1.1.1.1",
  "remote-dns-domain-strategy": "",
  "direct-dns-address": "1.1.1.1",
  "direct-dns-domain-strategy": "",
  "mixed-port": 12334,
  "tproxy-port": 12335,
  "local-dns-port": 16450,
  "tun-implementation": "mixed",
  "mtu": 9000,
  "strict-route": true,
  "connection-test-url": "http://connectivitycheck.gstatic.com/generate_204",
  "url-test-interval": 600,
  "enable-clash-api": true,
  "clash-api-port": 16756,
  "enable-tun": false,
  "enable-tun-service": false,
  "set-system-proxy": true,
  "bypass-lan": false,
  "allow-connection-from-lan": false,
  "enable-fake-dns": false,
  "enable-dns-routing": true,
  "independent-dns-cache": true,
  "rules": [],
  "mux": {
    "enable": false,
    "padding": false,
    "max-streams": 8,
    "protocol": "h2mux"
  },
  "tls-tricks": {
    "enable-fragment": false,
    "fragment-size": "10-30",
    "fragment-sleep": "2-8",
    "mixed-sni-case": false,
    "enable-padding": false,
    "padding-size": "1-1500"
  },
  "warp": {
    "enable": false,
    "mode": "proxy_over_warp",
    "wireguard-config": "",
    "license-key": "",
    "account-id": "",
    "access-token": "",
    "clean-ip": "auto",
    "clean-port": 0,
    "noise": "1-3",
    "noise-size": "10-30",
    "noise-delay": "10-30",
    "noise-mode": "m6"
  },
  "warp2": {
    "enable": false,
    "mode": "proxy_over_warp",
    "wireguard-config": "",
    "license-key": "",
    "account-id": "",
    "access-token": "",
    "clean-ip": "auto",
    "clean-port": 0,
    "noise": "1-3",
    "noise-size": "10-30",
    "noise-delay": "10-30",
    "noise-mode": "m6"
  }
}

Relevant log output

null

Are you willing to submit a PR? If you know how to fix the bug.

• [X] I'm willing to submit a PR (Thank you!)

[mwx280]

After my testing, it turned out that it was not a problem with configuring links, but with Hiddify. Whether it's a preview or an official version, there is this problem

[TitanComputer]

uninstall the app, then remove this folder AppData\Roaming\Hiddify\ then try v2.1.5 if problem exist, share your configuration which has issue.

[justdude-cmd]

the same problem, it is not related to the client applications, I checked on all devices with different versions, the problem is that when only after installation the config is created, it works, but the ones I create on the site do not work.