Stop the Timer service. To do this, follow these steps:

 - Open Services
 - Right-click SharePoint 2010 Timer, and then click Stop.
 - Close the Services console.
 - In Windows Explorer, locate following folder: `%SystemDrive%\ProgramData\Microsoft\SharePoint\Config\GUID`
 - Find cache.in open in editor type 1 save and close the file.
 - Open Services
 - Start SharePoint 2010 Timer service