A generic error occurred in GDI+ selenium webdriver

Question

I get generic error occurred in GDI+ for selenium webdriver.It was working fine still yesterday,But suddenly I get this error.

   public string TakeScreenshot(IWebDriver driver, string SnapFolderPath, string TCID, string KeyFunction)
    {
        try
        {
            //  driver.Manage().Window.Maximize();
            ITakesScreenshot ssdriver = driver as ITakesScreenshot;
            Screenshot screenshot = ssdriver.GetScreenshot();
            string filePath = testReport + "\\" + TCID + "_" + KeyFunction + "_" + GetDateTimeforFilePath() + ".png";
            screenshot.SaveAsFile(filePath, ImageFormat.Png);

            return filePath;
        }
        catch (Exception ex)
        {
            return string.Empty;
        }
    }

Answer 1

Resolved this Issue .We need to give full access permission to the folder where we want to store the image.If we don't give full permission we get this error