Scripts to disable the super super annoying error: "GOG Galaxy - Error" Connection to Communication Service was lost and could not be restored! GOG Galaxy will now shutdown.

find_all_window_handles.ps1

Get-Process | Where-Object {$_.MainWindowTitle -ne ""} | Select-Object MainWindowTitle, Id, MainWindowHandle

pause

list_all_window_names.ps1

Get-Process | Select-Object Name, Id, MainWindowTitle | Format-Table -AutoSize

pause

rescue_gog.ps1

# --- Configuration ---
#$MessageBoxTitle = "GOG Galaxy -错误" # If in simplified Chinese.
$MessageBoxTitle = "GOG Galaxy - Error" # IMPORTANT: MODIFY THIS with the exact error window title that matches your language.
$TargetFocusWindowTitle = " GOG Galaxy 2.0.83  " # Title of the main window. Note that the leading and traling spaces are super important!!!
$CheckIntervalSeconds = 2                   # How often to check

# --- P/Invoke Signatures for Windows API functions ---
$ApiDefinitions = @"
[DllImport("user32.dll")]
public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);

[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetForegroundWindow(IntPtr hWnd);

[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool IsIconic(IntPtr hWnd);

[DllImport("user32.dll")]
public static extern bool AllowSetForegroundWindow(int dwProcessId);

[DllImport("user32.dll", SetLastError = true)]
public static extern int GetWindowThreadProcessId(IntPtr hWnd, out int lpdwProcessId);
"@

# Add the API functions to the current session
Add-Type -MemberDefinition $ApiDefinitions -Name "User32" -Namespace "Win32" -PassThru | Out-Null
# Define the P/Invoke signature for EnableWindow
Add-Type @"
    using System;
    using System.Runtime.InteropServices;
    public class User32 {
        [DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool EnableWindow(IntPtr hWnd, bool bEnable);
    }
"@

# --- Constants for ShowWindow ---
$SW_HIDE = 0
$SW_SHOWNORMAL = 1
$SW_RESTORE = 9

# --- Main Loop ---
Write-Host "Starting script."
Write-Host " - Will look for message box: '$MessageBoxTitle'"
Write-Host " - If found, it will be HIDDEN FIRST."
Write-Host " - Then, script will attempt to focus window: '$TargetFocusWindowTitle'"
Write-Host "Press Ctrl+C to stop the script."

while ($true) {
    try {
        # 1. Check for the message box
        $messageBoxProcess = Get-Process | Where-Object { $_.MainWindowTitle -eq $MessageBoxTitle -and $_.MainWindowHandle -ne [System.IntPtr]::Zero } | Select-Object -First 1

        if ($messageBoxProcess) {
            $hwndMessageBox = $messageBoxProcess.MainWindowHandle
            Write-Host "$(Get-Date): Message box '$MessageBoxTitle' found (Handle: $hwndMessageBox)."

            # 2. Hide the message box FIRST
            Write-Host "$(Get-Date): Attempting to hide message box '$MessageBoxTitle'..."
            $hideResult = [Win32.User32]::ShowWindow($hwndMessageBox, $SW_HIDE)
            if ($hideResult -or ([Win32.User32]::IsWindowVisible($hwndMessageBox) -eq $false)) { # ShowWindow returns $false if already hidden
                Write-Host "$(Get-Date): Message box '$MessageBoxTitle' hidden or was already hidden."
            } else {
                Write-Warning "$(Get-Date): Could not verify message box '$MessageBoxTitle' was hidden."
            }
            Start-Sleep -Seconds 1 # Brief pause after hiding

            # 3. Find the target window to focus ("GOG")
            $gogProcess = Get-Process | Where-Object { $_.MainWindowTitle -eq $TargetFocusWindowTitle -and $_.MainWindowHandle -ne [System.IntPtr]::Zero } | Select-Object -First 1

            if ($gogProcess) {
                $hwndGOG = $gogProcess.MainWindowHandle
                Write-Host "$(Get-Date): Target window '$TargetFocusWindowTitle' found (Handle: $hwndGOG)."

                # 4. Attempt to set focus to the "GOG" window
                try {
                    $result = [User32]::EnableWindow($hwndGOG, $true)
                } catch {
                    Write-Warning "$(Get-Date): Error during focus attempt on '$TargetFocusWindowTitle': $($_.Exception.Message)"
                }
            } else {
                Write-Host "$(Get-Date): Target window '$TargetFocusWindowTitle' not found. Cannot shift focus after hiding message box."
            }
            # Add a longer delay here as an action (hide+focus attempt) has been performed.
            Start-Sleep -Seconds ($CheckIntervalSeconds)
        } else {
            # This part can be very verbose if the message box isn't present.
            # Write-Host "$(Get-Date): Message box '$MessageBoxTitle' not found."
        }
    }
    catch {
        Write-Warning "$(Get-Date): An error occurred in the main loop: $($_.Exception.Message)"
    }

    # Wait before checking again if no message box was found in this iteration.
    # If a message box WAS found and processed, a longer sleep is already included above.
    if (-not $messageBoxProcess) {
        Start-Sleep -Seconds $CheckIntervalSeconds
    }
}