Selenium testing Unable to delete file npSkypeChromePlugin.dll

PROBLEM:

Caused by: Unable to delete file C:\Users\ALZA~1.KYI\AppData\Local\Temp\customProfileDir78f2ebd7cf1d4fb8ac2ff0c30a4043ac\Defa

ult\Extensions\lifbcibllhkdhoafpjfnlhfpfgnpldfl\5.6.0.8442_0\npSkypeChromePlugin.dll

at org.apache.tools.ant.taskdefs.Delete.removeDir(Delete.java:594)

at org.apache.tools.ant.taskdefs.Delete.removeDir(Delete.java:587)

SOLUTION:

Remove from Programs and features the Skype Click to Call program.