Game Launcher Fixes

Steam won’t start? Battle.net stuck? Try these.

First, check Known Issues.

Steam#

Won’t start#

1. Kill all steam.exe processes in Task Manager.
2. Relaunch.
3. If still broken: delete %localappdata%\Steam\htmlcache and %localappdata%\Steam\browser folders.

Game won’t update/verify#

Clear Download Cache:

1. Steam > Settings > Downloads.
2. Click Clear Download Cache.
3. Steam will restart, and you will need to log in again.

Clear cache/repair#

Verify Integrity:

1. Right-click the game in your Library > Properties.
2. Installed Files tab.
3. Click Verify integrity of game files.

Repair Library:

1. Steam > Settings > Storage.
2. Select the drive, click the three dots (…) > Repair Library.

Epic Games Store#

Won’t start#

1. Kill EpicGamesLauncher.exe and EpicWebHelper.exe in Task Manager.
2. Press Win + R, type: %localappdata%.
3. Delete the EpicGamesLauncher\Saved\webcache folder.
4. Relaunch.

Game won’t update/verify#

Verify Files:

1. Library.
2. Click the three dots under the game.
3. Manage > Verify.

Battle.net#

Won’t start#

1. Kill Agent.exe and Battle.net.exe in Task Manager.
2. Press Win + R, type: %programdata%.
3. Delete the Battle.net and Blizzard Entertainment folders.
4. Relaunch.

Game won’t update/verify#

Scan and Repair:

1. Select the game.
2. Click the gear icon (Options) next to the Play button.
3. Select Scan and Repair.

GOG Galaxy#

Verify / Repair:

1. Right-click the game > Manage installation > Verify / Repair.

Game crashes on launch#

If the game closes immediately:

1. Verify game files (see above).
2. Antivirus: Check if it quarantined the .exe.
3. Run as Administrator: Right-click the .exe > Run as administrator.
4. Visual C++: Install the Redistributables (usually in the game folder _CommonRedist or download from file server).
5. Windowed mode: Add -windowed to launch options.