To Cancel a Paste Operation
You can cancel the paste operation any time during the paste process by clicking 
or the Cancel button on the feature-creation tool.
or the Cancel button on the feature-creation tool.The Cancel Paste dialog box that opens displays the following options that are specific to your requirements, depending on the number of copied instances pasted and the number of features that are available on the clipboard for pasting at the time of the cancellation of the current paste operation:
• If the paste operation being canceled is that of a feature that is the only one being pasted, then the Cancel Paste dialog box only asks for the confirmation of the cancel operation.
• Quit pasting this feature and continue—Cancels the pasting of the current feature and continues with the pasting of the next feature on the clipboard. Select this option when you are pasting two or more features.
This option is not available when the current feature is the last one to be pasted.
• Keep already pasted feature and quit the Paste operation—Keeps the feature that is already pasted and cancels the paste of the current feature or the remaining features on the clipboard. Select this option when you are pasting multiple features or if the current feature is the last one to be pasted.
This option is not available when the current feature being pasted is the first one to be pasted.
• Remove already pasted features and continue—Cancels the pasting of all features that are pasted so far and continues pasting the remaining features on the clipboard. Select this option when you are pasting multiple features.
This option is not available when the current feature is the first or the last feature to be pasted.
• Cancel the Paste operation—Cancels the pasting of all features.