Hearthbuddy keeps crashing

It crashes and says:

"Could not attach to a Hearthstone process. Please make sure an available Heathstone process is running"

2017-11-02 23:07:57,449 [1] INFO Logger (null) - Hearthbuddy Version: 0.3.1437.411
Path: C:\Users\<Username>\Documents\Hearthbuddy\<ExeName>

OS Name: Microsoft Windows 7 Professional
OS Version: 6.1.7601
OS Architecture: 64-bit
InstalledUICulture: en-US [English (United States)]
CurrentUICulture: en-US [English (United States)]
CurrentCulture: en-CA [English (Canada)]

2017-11-02 23:07:57,492 [1] INFO Logger (null) - Now setting up JitProfiles...
2017-11-02 23:07:57,493 [1] INFO Logger (null) - JitProfiles successfully setup!
2017-11-02 23:07:57,493 [1] INFO Logger (null) - Now beginning pre-start tasks.
2017-11-02 23:07:57,495 [1] INFO Logger (null) - Now checking prerequisites...
2017-11-02 23:07:57,773 [1] INFO Logger (null) - Prerequisite check complete!
2017-11-02 23:07:57,882 [1] INFO Logger (null) - svchostPath: C:\Windows\System32\svchost.exe
2017-11-02 23:07:57,897 [1] INFO Logger (null) - Pre-start tasks successfully completed.
2017-11-02 23:07:59,733 [1] INFO Logger (null) - [BotManager] MsBetweenTicks = 15
2017-11-02 23:08:00,101 [1] INFO Logger (null) - Hearthbuddy [0.3.1437.411] is up to date!
2017-11-02 23:08:00,314 [1] INFO Logger (null) - Region: na
2017-11-02 23:08:00,323 [1] INFO Logger (null) - T: 5248138627228665835 H: 763048778
2017-11-02 23:08:00,540 [1] ERROR Logger (null) - The file 'audioplugin_fluxer.dll' has an unexpected hash. Please report this ASAP.
2017-11-02 23:08:00,540 [1] ERROR Logger (null) - Could not attach to a Hearthstone process. Please make sure an available Hearthstone process is running.