Share this article

Improve this guide

Blizzard Battle.net Unexpected App Error: 5 Ways to Fix It

Explore expert-recommended solutions to get rid of the error

5 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

Share this article

Improve this guide

Read our disclosure page to find out how can you help Windows Report sustain the editorial teamRead more

Key notes

Blizzardis a populargaming platformoffering gamers a range of exciting titles, with Battle.net as the client. But its gaming client still isn’t as polished, with many getting the Battle.netUnexpected errorat launch.

The error message reads,The application encountered an unexpected error. Since many users have reported encountering it, we researched and identified the solutions to fix the Battle.netUnexpected error.

Why does Battle.net unexpected error appear?

Here are a few reasons you might be getting the error:

How do I fix the Blizzard Battle.net unexpected error?

Before we start making changes to the PC, here are a few quick solutions you should try:

If none work, move to the ones listed next.

1. Disable GPU

2. Clear the app cache

Once done, check whether the Battle.netunexpected errorgoes away. If not, head to the next solution.

3. Disable OneDrive

If OneDrive is enabled on the PC, certain critical files needed to runBattle.netmay be synced and become unreachable/unreadable, thus resulting in theUnexpected error. So,disable OneDrive on Windowsto fix things. In case this doesn’t work, make sure to revert the changes.

4. Update the drivers

Updating the graphics drivershould help fix the Battle.netUnexpected errorin Windows. Also, some users identified the audio drivers to be responsible, in which caseupdating the audio driversshould do the trick.

To perform this task, you can opt-in for dedicated software that is capable to manage all drivers and update them in less than 5 minutes.

Hence, you don’t need to second guess and utilize a complete tool like Outbyte Driver Updater and fix various game errors without problems.

⇒Get Outbyte Driver Updater

5. Reinstall Battle.net on the system drive

Many users reported installing the Battle.net client on a non-system drive can trigger theUnexpected error. Also, if you run out of storage on theC:drive, you can alwaysmove the games to another drive.

That’s all there is to the error, and we hope one of the solutions here should have worked for you. Also, find some quick tips and tricks tooptimize Windows for gaming.

For any queries or to share a solution that worked for you, comment below.

Blizzard Battle.net Unexpected App Error: 5 Ways to Fix It#

Why does Battle.net unexpected error appear?#

How do I fix the Blizzard Battle.net unexpected error?#

1. Disable GPU#

2. Clear the app cache#

3. Disable OneDrive#

4. Update the drivers#

5. Reinstall Battle.net on the system drive#