<!-- This issue tracker is only for technical issues related to Bitcoin Core.

General bitcoin questions and/or support requests are best directed to the Bitcoin StackExchange at https://bitcoin.stackexchange.com.

For reporting security issues, please read instructions at https://bitcoincore.org/en/contact/.

If the node is "stuck" during sync or giving "block checksum mismatch" errors, please ensure your hardware is stable by running memtest and observe CPU temperature with a load-test tool such as linpack before creating an issue! -->

Describe the issue
`The configuration file could not be opened.` when clicking on `Open Configuration File`

What behavior did you expect?
Expected to open bitcoin.conf

<!--- What was the actual behavior (provide screenshots if the issue is GUI-related)? -->

How reliably can you reproduce the issue, what are the steps to do so?
Lanuch Bitcoin Core
![](https://i.imgur.com/gTR1bGS.png)
![](https://i.imgur.com/KHkJVM3.png)

What version of Bitcoin Core are you using, where did you get it (website, self-compiled, etc)?
https://bitcoin.org/en/download
v0.17.1

What type of machine are you observing the error on (OS/CPU and disk type)?
OSX

<!-- For the GUI-related issue on Linux provide names and versions of a distro, a desktop environment and a graphical shell (if relevant). -->

<!-- Any extra information that might be useful in the debugging process. -->
<!--- This is normally the contents of a `debug.log` or `config.log` file. Raw text or a link to a pastebin type site are preferred. -->

QObject(parent),
    tableView(table),
    lastColumnMinimumWidth(lastColMinimumWidth),
    allColumnsMinimumWidth(allColsMinimumWidth)
{
    columnCount = tableView->horizontalHeader()->count();
    lastColumnIndex = columnCount - 1;
    secondToLastColumnIndex = columnCount - 2;
    tableView->horizontalHeader()->setMinimumSectionSize(allColumnsMinimumWidth);
    setViewHeaderResizeMode(secondToLastColumnIndex, QHeaderView::Interactive);
    setViewHeaderResizeMode(lastColumnIndex, QHeaderView::Interactive);
}
#ifdef WIN32
fs::path static StartupShortcutPath()
{
    std::string chain = gArgs.GetChainName();
    if (chain == CBaseChainParams::MAIN)
        return GetSpecialFolderPath(CSIDL_STARTUP) / "Bitcoin.lnk";
    if (chain == CBaseChainParams::TESTNET) 
        return GetSpecialFolderPath(CSIDL_STARTUP) / "Bitcoin (testnet).lnk";
    return GetSpecialFolderPath(CSIDL_STARTUP) / strprintf("Bitcoin (%s).lnk", chain);
}
bool GetStartOnSystemStartup()
{
    
    return fs::exists(StartupShortcutPath());
}
bool SetStartOnSystemStartup(bool fAutoStart)