For instance, you may receive the below error message when trying to start Microsoft Outlook 2003 or 2007:

“The action cannot be completed.”

The application does not start after you encounter this error message.

Cause

Microsoft Outlook can fail to start due to few possible reasons mentioned underneath:

• No Internet or LAN (Local Area Network) connection is available

• An antivirus software is actively locking the Outlook

• The Outlook.exe (Outlook executable file) or PST is set to read-only

• Some third-party add-ins are preventing Outlook from starting

• Few Outlook program files are corrupt- Occurs usually after an upgrade

• Outlook profile is damaged

• The PST attached to the profile is corrupt

Solution

Based on the root cause of the issue, you can try these steps to solve it:

• You should test your connection and take the appropriate steps

• You can try to deactivate the antivirus software

• Locate the Outlook.exe and PST files and check their properties to clear the read-only check box

• For solving add-ins issue, you should start Outlook in safe mode and disable the problematic add-in(s)

• You can remove or rename the affected Outlook program files, which include Extend.dat, Frmcache.dat, Views.dat, and Outcmd.dat

• You should recreate the Outlook profile if it is damaged. Try to duplicate the above behavior by attaching a new and the old PST, one at a time, to check if corrupted PST is not the issue

• To repair the corrupted PST, run Inbox Repair Tool (Scanpst.exe). If this fails, use a PST Repair Tool to repair the corrupted file. A PST Repair utility can safely extract the inaccessible file components from a corrupted PST and restore them at a safe location.

Stellar Phoenix Outlook PST Repair is an effective solution that repairs a corrupted PST and restore it as a new PST to a user-specified location. The safe PST Recovery Tool supports MS Outlook 2007,