A number of reasons could be the cause behind the Magento troubleshoot you are facing. It could be a server issue, it could be a bug, or it could even be a hacker breaking into your store. Depending on the nature of your issue, the time taken for resolving the issue may vary. Virtina makes it a point to promptly resolve the issues so that it is minimal downtime for your Magento store. That being said, our Magento emergency support should have your business up and running in practically no time.