How To Fix If Installer Encountered An Error 0x800f0905 in Window 11?

While updating to Window 11, the user sometimes encountered the error 0x800f0905. This error occurs because of corrupt system files, misconfigured settings and also due to slow PC. In order to fix this issue, you should read the below method to fix if Installer Encountered an Error 0x800f0905. For assistance, hit on office.com/setup.

Method To Fix If Installer Encountered An Error 0x800f0905 in Window 11:

1. Run Windows Update Troubleshooter:

For this, you should press Windows + I at the same time to launch the Settings app. After this, you should hit on Troubleshoot option which is in the right side in the System tab. Now, you need to tap on Other troubleshooters. Here, you should find the Windows Update troubleshooter and then hit on the Run button which is next to it. At last, Windows will find and fix the issues which results in 0x800f0905 error.

2. Reset Windows Update Components:

You should first press Windows + S key at the same time to launch the Search menu. After this, you should enter Windows Terminal in the text field which is located at the top and then right-tap on the search result. Now, you should choose Run as administrator from the context menu. At this point, you should hit on Yes option on the UAC prompt which pops up on your screen. Here, you should tap on the downward arrow which is at the top and then choose Command Prompt from the list of options. Or, the user can also press Ctrl + Shift + 2 at the same time to launch the Command Prompt tab. After this, you should type the below commands and then tap on Enter key after each to execute them.

net stop bits

net stop wuauserv

Next, you need to enter the below command in order to delete the qmgr*.dat files:

Del “%ALLUSERSPROFILE%Application DataMicrosoftNetworkDownloaderqmgr*.dat”

Now, the user should enter the below commands to rename the critical folders.

Ren %Systemroot%\SoftwareDistribution\DataStore DataStore.bak

Ren %Systemroot%\SoftwareDistribution\Download Download.bak

Ren %Systemroot%\System32\catroot2 catroot2.bak

Then, you have to paste the below commands and then tap on Enter key in order to reset the BITS and Windows Update services:

sc.exe sdset bits D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)

sc.exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)

At this point, you should paste the below command and then tap on Enter key:

cd /d %windir%\system32

Here, you have to execute each commands in order to reregister the BITS and Windows Update files:

regsvr32.exe atl.dll

regsvr32.exe urlmon.dll

regsvr32.exe mshtml.dll

regsvr32.exe shdocvw.dll

regsvr32.exe browseui.dll

regsvr32.exe jscript.dll

regsvr32.exe vbscript.dll

regsvr32.exe scrrun.dll

regsvr32.exe msxml.dll

regsvr32.exe msxml3.dll

regsvr32.exe msxml6.dll

regsvr32.exe actxprxy.dll

regsvr32.exe softpub.dll

regsvr32.exe wintrust.dll

regsvr32.exe dssenh.dll

regsvr32.exe rsaenh.dll

regsvr32.exe gpkcsp.dll

regsvr32.exe sccbase.dll

regsvr32.exe slbcsp.dll

regsvr32.exe cryptdlg.dll

regsvr32.exe oleaut32.dll

regsvr32.exe ole32.dll

regsvr32.exe shell32.dll

regsvr32.exe initpki.dll

regsvr32.exe wuapi.dll

regsvr32.exe wuaueng.dll

regsvr32.exe wuaueng1.dll

regsvr32.exe wucltui.dll

regsvr32.exe wups.dll

regsvr32.exe wups2.dll

regsvr32.exe wuweb.dll

regsvr32.exe qmgr.dll

regsvr32.exe qmgrprxy.dll

regsvr32.exe wucltux.dll

regsvr32.exe muweb.dll

regsvr32.exe wuwebv.dll

Then, you have to execute the command just to reset Winsock:

netsh winsock reset

At last, you should execute the below commands just to restart the BITS and Windows Update service:

net start bits

net start wuauserv

3. Windows Automatically Install Update:

The user should first press Windows + S key together just to launch the Search menu. After this, you should enter Edit power plan in the text field which is located at the top and then tap on the search result. Now, you should change all four settings which are listed here to Never option from the dropdown menus. When you make the modifications, you should tap on Save changes which is located at the bottom.

With this above method, you can easily fix Installer Encountered an Error 0x800f0905. For more assistance, tap on office.com/myaccount.