How to Fix Windows 10 17631.1002 Update Failed Error 0x80240034

Many Windows 10 users are facing a problem downloading a recent Windows 10 update with build “17631.1002.rs_onecore_ens.180320-1822 (UUP-CTv2)”. The update fails to install and throws the error codes 0x80240034 and 0x80246019.

To fix the problem, you need to clear the update cache on your Windows 10 machine. Let’s see how to that in the instructions below.

Clear Windows 10 Update Cache

Run Command Prompt as administrator:
1. Click on the Start button.
2. Type cmd, right click on Command Prompt in the search result and select Run as Aministrator.
Type the following command into the command prompt window and hit enter:
```
net stop wuauserv
```
Make sure “Show hidden files” is turned off:
1. Click on the Start button.
2. Type file explorer options, and select it from the search results.
3. Click the View tab.
4. Make sure Hidden files and folders setting is set to “Don’t show hidden files, folders. or drives”.
Open File Explorer and navigate to the following directory:
```
C:WindowsSoftwareDistributionDownload
```
Delete all contents of the above-mentioned Download directory.
Run Command Prompt as Administrator again (as shown in Step 1 above).
Issue the following command in the command prompt window and hit enter:
```
net start wuauser
```
Restart your computer.

Once you’ve cleared the Update cache, try to update your computer to the latest available Windows 10 update again. It should install without any issues this time.