# ValidateFile

### Description

Validates that the QLM DLL is authentic and was not tampered with.

```csharp
bool ValidateFile(ref string errorMsg);
```

### Arguments

| Name     | Data Type | Description            |
| -------- | :-------: | ---------------------- |
| errorMsg |   string  | returned error message |

### Return

| Data Type | Description               |
| :-------: | ------------------------- |
|    bool   | true if the file is valid |