Why my WordPress Blog/Website Shows Installation Page all of Suddenly?

Few days ago, I was searching for a pluginwhich will automatically blog for me and submit article on my WordPress website. I was bit busy with designing stuffs and I did not like my site ranking go down. I love visitors and I dream about that all the day . Anyway, I have found the proper plugin which is called ‘WP Article Fetch V2.0′.

I have no idea at about this plugin, however, I have installed it and my WordPress admin and front end suddenly started showing installation page .

I logged into my MySQL database immediately to check if tables are gone. However, they were not, . So, I just selected all the tables and repaired tables. Within 2 sec of repairing, my site was back. Uff, I did not give up, I tried to install the plugin again and it worked, I mean it was installed and added campaign successfully. Am not sure how the plugin works, I will be creating new post for it. For now, if you face such issues, please repair your db tables first and you can refer this link also click here