
Warning: Advance at your own risk as editing the settings of your antivirus product may expose your system/data to threats that are not limited to viruses, trojans, etc. In this case, exempting SDX Helper in the antivirus settings may solve the problem. You may encounter high CPU usage by SDX Helper if your antivirus is interfering with the operation of the Office Update module. Solution 3: Add Exception for SDX Helper in the Antivirus Settings

Then check if the system is clear of the high CPU usage.Now click on the Repair button and wait for the completion of the repair process (this may take some time to complete).If not, then repeat steps 1 to 3 but at step 3, select Online Repair.


The SDX issue could be a result of a corrupt installation of your office suite. Solution 2: Repair the Office Installation

Microsoft updates its Office products to cater to the latest technological advancements and patch known problems. Solution 1: Update Office and Windows of Your PC to the Latest Build Microsoft Office SDX Helper High CPU Usageīefore moving on, make sure your network connection is not set as Metered Connection.
