windows 10 anniversay update Error 0xc1900204

Hi Abdul Rahman,

I will certainly help you with the Windows 10 Anniversary update error.

The probable cause of this might be the Windows update components are corrupted.

We suggest you to follow the below methods and check if it helps.

Method: 1 Run the Windows update trouble shooter.

Follow the steps below.

1. Type Troubleshooting on search bar and choose the option Troubleshooting.

2. From the new Windows click on “View all” located left side of the panel.

3. Run the trouble shooter names Windows update and follow the instructions.

Method 2: Reset Windows update Components.

Resetting the update components may fix the issue as they are the critical services running background for a Windows update. Please check the below article about how to perform reset windows update components and check if it helps.

https://support.microsoft.com/en-us/kb/971058

Method 3: Resetting the registry Value.

1. Type Windows Key + R and type Regedit” press Enter.

2. Locate the following

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion

3. Right click on the value named ProgramFilesDir & change the default value C:\Program Files to the path you want to install all your programs in.

4. Click OK and Exit.

5. Restart the PC and try perform the update again.

Disclaimer: If you modify the registry incorrectly serious problems might occurs. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs.

Hope this helps. Please get back to us with an update and we glad to assist.

Thank You.