How to Solution Window Update Error Code 0x800b0109
                     How to Solution Window Update Error Code 
0x800b0109?
Some users face Window update error like 0x800b0109. 
This error occurs when system files get corrupted. This 
software can be easily installed through 
office.com/setup and enter 25 character product key. It 
gives you user friendly interface and increases the 
productivity of the user. It is utilized in both homes and 
in businesses. It gives cloud storage so that user can 
store their personal document in cloud and can access 
their document anywhere anytime. It is suitable for 
Window OS, Mac, Laptop, Computer and Android Pones. 
It timely gives the updates to fix the patches in the 
software. 
Way to Fix Window Update Error Code 0x800b0109:
1. Disable Proxy Setting:
For this, first you have to press Win+R key to open the 
Run dialog box. Then you have to type inetcpl.cpl in the 
box and click on Enter Key. Now you have to go to the 
Connections tab and then press the LAN settings. Then 
just unmark the checkbox against “Use a proxy server for 
your LAN“. At the end, click on OK button. Now you can 
check the error is fixed or not.
2. Run Window Update Troubleshooter:
For this, just press Win+I key together just to start the 
Settings app. Then, you have to select Update and 
Security option. After this, you have to select the 
Troubleshoot option. Now go to the right side and click 
on Windows Update option. Then you have to press on 
“Run the Troubleshooter” button.
3. Run DSIM Tool:
First, just you have to type Command Prompt in the 
search field or press Win+S key together and click 
on“Run as Administrator” option. Now type the following
commands and press enter key after each command.
dism.exe /online /cleanup-image /scanhealth
dism.exe /online /cleanup-image /restorehealth
After this, you have to close the current console.
4. Run the Commands Using Notepad:
First you have to right-click anywhere on the desktop and
then just select New option. After this, select Text 
Document. Now, you have to double-click on the new 
created document and then you have to Copy/paste the 
below texts.
net stop wuauserv
cd %systemroot%\SoftwareDistribution
ren Download Download.old
net start wuauserv
net stop bits
net start bits
net stop cryptsvc
cd %systemroot%\system32
ren catroot2 catroot2old
net start cryptsvc
After this, go to the File menu, and just select the Save As
option. Now in the window, you have to type Repair.bat 
which is under Filename. Then just select All Files in the 
Save as type box. Now you have to select the desired 
location and press the Save button. At this point, just 
close this document. Just visit to the location where you 
have saved the batch file. Now you have to right-click on 
the Repair.bat file and you have to “Run as 
Administrator”. sources
5. Use Registry Editor:
For this, just press Win+X key together to open the 
Power Menu. And then select the Run dialog box and just
type regedit and press the Enter key. Now it will ask to 
confirm, click on Yes button. In the window, go to the 
following path-
HKEY_Local_Machine/Software/Policies/Microsoft/Wind
ows/Windows Update
After this, just copy/paste the entire path in the address 
bar and press Enter Key. Now you have to delete the 
Windows Update entry. Now, you have to press Win+R 
altogether to open the Run dialog box and then type 
services.msc and hit Enter key. Just locate and stop 
Background Intelligent Transfer and Windows Update 
services. When both the services are stopped, you have 
to right-click on each one of them and then you have to 
select the Start option. At last, close the Window and 
then restart your system.
This method will fix the issue, but if you are still facing 
error then you can call the expert of MS Office. For 
details, you can visit to the site via 
www.office.com/setup 2016 product key. 
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