…\vendor\magento\framework\View\Element\Template\File\Validator.php
Find and add the extra code-
protected function isPathInDirectories($path, $directories)
{
if (!is_array($directories)) {
$directories = (array)$directories;
}
$realPath = $this->fileDriver->getRealPath($path);
$realPath = str_replace('\\', '/', $realPath); // extra code added
foreach ($directories as $directory) {
if (0 === strpos($realPath, $directory)) {
return true;
}
}
return false;
}