Error code 30015 notification while installing office programs in the latest windows 10 or windows 11. There are various reasons to discuss and important ones of them are due to registry corruption. This issue pops up when there is a problem to access restrictions to the installation source. This can be due to the partially downloaded office source files. Incomplete office download happens due to the internet issues or space related issues.

Solution 1 : Temporarily disable windows defender to fix Error Code 30015

• Click windows start button, type in Windows Security
• Open windows security window, Select Virus & threat in windows security window
• Select Manage settings, under the Virus & threat protection
• Switch Real-time protection to Off.

How to disable Antivirus software Temporarily

• Open Antivirus application (McAfee or Norton or AVG) installed on the computer.
• Select on settings and go to real time protection
• Select Turn Off real time protection
• Then, Navigate to Antivirus firewall and select Turn off Antivirus Firewall

Solution 2: SFC Scan to fix Error code 30015

• Log in to an administrator to the Windows Terminal

• Type in SFC /SCANNOW on command window
• Wait for the scan to finish.

You will get the following message on the command windows “Windows Resource Protection may indicate that the SFC program detected no integrity issues or found corrupt or broken files but could not repair some of them.

If SFC finds no error, you can now exit the Windows Terminal console.