How to Fix Cortana not Working in Windows 10 Anniversary Update
According to a ton of threads on Reddit and Microsoft support forums, the virtual assistant Cortana not working after the Windows 10 Anniversary Update issue is very common. Are you experiencing the same problem? If so,don’t be frustrated. Try the two solutions listed below to fix your Cortana not working in the Windows 10 Anniversary Update flaw.
Method 1. Modifty Registry to Fix Cortana not Working in Windows 10 Anniversary Update
An easy but effective solution to fix the Cortana not working in the Windows 10 Anniversary Update issue is modifying the Registry. Follow these steps to make your Cortana work again:

Step 1. Type regedit in the search box and then hit Enter
Step 2. Navigate to the following path:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Search
Step 3. Change the key BingSearchEnabled from 0 to 1
Step 4. Make sure all the Cortana flags are set to 1
Step 5. Hit up Cortana again
Method 2. Adjust Regional Settings to Fix Cortana not Working after Windows 10 Anniversary Update
If your country and region surely supports Cortana but your Cortana stops working after the Windows 10 Anniversary Update. There’s a high chance that your regional and language settings has been changed by the Anniversary Update. You need to change the settings back again to let Cortana run normally. Follow these steps:
Step 1. Go to the Settings app, and click the Region & language settings
Step 2. Under Country or region, check whether your region setting is correct. If not, change it to make sure it’s compatible with Cortana
Step 3. Switch to the Speech tab, and set a language compatible with Cortana too
Step 4. Reboot your computer
Step 5. Try to use Cortana again
Once you dislike Cortana someday, please check out How to Disable Cortana after Windows 10 Anniversary Update for instructions.
If you managed to find other workarounds for the Cortana not working in the Windows 10 Anniversary Update issue, please list them in the comment section below.