If you cannot open your drive using double click and you see message, that says something like "Choose a problem to open with", then your computer is infected by some kind of autorun.

1. First of all you should get rid of virus itself. You can use any antivirus program you wish: Malwarebytes, Avast, AVG Anti-Virus, etc.

2. Next press Start->Run and type: regedit and press Enter. In the regedit window go to HKEY_Local_Machine\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL\ and delete CheckedValue key. The Press Edit->New->DWORD value and create new key with name: CheckedValue and set it's value to 1.

3. Go to Control Panel->Foldes Options->View tab and select Show Hidden Files and Folders. And uncheck Hide Protected System Files. Then press Apply and Ok button.

4. Open Computer, then right click on drive C:\ and select Explore. In the root of the drive you should see a lot of files that are a bit pale. Among them should be Autorun.inf file. Delete it on every drive.

5. Restart computer.