Windows Update Standalone installer usage and troubleshooting

Windows Update Standalone installer

WUSA it’s a utility which is used to install standalone updates. Standalone updates­ is kind of updates which are not available in Windows Update by default. It also can be used to install some problematic updates.

To run it in cmd: win button ->cmd->­ wusa.exe.

Possible commands:

/?, /h, /help Will show all possible commands on the screen as in picture 1

For example, if file Windows6.0­KB934307­x86.msu is located in directory D:\934, in order to install it you can run this command not using UI:

wusa.exe d:\934\Windows6.0­KB934307­x86.msu /quiet

/norestart​­ Not allowing wusa.exe restart your computer after finishing update installation.

For example, if file Windows6.0­KB934307­x86.msu is located in directory D:\93, the command to execute is without the restart will be:

wusa.exe D:\93\Windows6.0­KB934307­x86.msu /quiet /norestart

/uninstall ​­Use this command to delete specific update using KB id.

/kb​­ Using this command you can check specific KB number of an update.

wusa.exe / uninstall < | /kb:> [/quiet] [/norestart | /warnrestart: | /promptrestart | /forcerestart ]

/extract​­ Use this command to extract an update into specific folder

wusa.exe /extract: [/log:]

/warnrestart​­ Command which will warn you about restart after installing the update.

/forcerestart​­ Wusa.exe used to force quit apps and restart your computer.

wusa.exe [/quiet] [/norestart | /warnrestart: | /promptrestart | /forcerestart] [/log:]

Also, you have an option to check Windows Update Standalone Installer event log:

1. In Event Viewer, expand Windows Logs, and then click Setup.

2. Setup events appear in the middle pane.

3. In the Actions pane, click Filter Current Log.

4. In the Event sources list, click to select the WUSA check box, and then click OK.

How to Download the Standalone MSU Installer File of a Windows Update

1. Open Control Panel, and Windows Update.

2. If Windows Update is already installed

A) Press on View update history.

B) RMB click on Windows Update (ex: KB2484033) which you want to download as MSU file and then press on View details.

C) Choose More information.

D) Move on to step 4.

3. If Windows Update is not installed

A) Press on important and optional updates choose that update which is not installed and then on More information.

4. Your default browser will begin downloading the update

5. now you should choose compatible update bitness 32­bit (x86) or 64­bit (x64).

6. RMB click on downloaded MSU file, then check Properties, General tab, to see if button Unblock is active.

If button Unblock has gone or not active, the file is already unblocked and ready to use