Most of the time, this happens because the stream.x86.x-none.dat file is broken—often caused by a download that got interrupted or damaged Office setup files. Other reasons include old registry keys left from earlier Office versions, problems with permissions, or important services like “Office ClickToRun” being blocked. In this article, we will discuss different ways to solve this error.
1. Use Event Viewer to Review Microsoft Office Alerts
Sometimes, the error is caused by third-party Office Add-ins that interfere with Microsoft Office. When the error happens, details are saved in your event logs. By looking at Event Viewer, you can get a better idea of what’s going wrong. This should fix the problem. If the error is still there, try the next solution.
2. Repair Your Office Installation
Microsoft Office comes with a built-in repair tool that can automatically fix problems by repairing missing or damaged files.
3. Update Microsoft Office
Sometimes, simply updating Office can resolve errors caused by old or corrupted files. Microsoft recommends keeping your Office products updated, especially if you’re using Office 2013 or newer. After updating, check if the problem is gone. If not, try the last solution.
4. Reinstall Microsoft Office
If none of the above worked, a clean reinstall can help. Here’s how you can completely remove Office and install it again.
