Fix Office error code 30015-26 or 30015-45

Like any other software, Office is prone to issues and temporary errors. In this guide, we look at different solutions to fix Office error code 30015-26 or 30015-45 that occur in the installation or updating process of the Office suite. We recommend that you check your internet connection and disable your antivirus and firewall temporarily while performing the solutions in this guide to fix Office error code 30015-26 or 30015-45: 1] Run the Disk Cleanup tool 2] Repair Office 3] Use Microsoft Support and Recovery Assistant Timecodes: 0:00 Intro 0:33 Run Disk Cleanup tool 0:54 Repair Microsoft Office 1:23 Use Microsoft Support and Recovery Assistant