Cannot install 5 updates for Windows 7

Hello,

I have been having trouble for a while installing the following updates: KB2742592 / KB2656351 / KB2736428 / KB2600217 / KB2487367

Each time I turn off my laptop its tries and fails to install these updates and each time brings up the error code 643 in the update history. I have twice run the FixIt diagnostic program and this has found issues and fixed them. However the updates still

fail to install and still try to install every time I turn off my pc. I have also tried updating the drivers etc and still this has not helped.

Now I am experiencing problems each time I turn on my laptop. When I turn on my laptop (after logging in) the screen remains black for about a minute (whilst programs such as steam can load in the background), when the display finally appears the icons

take a while to load after the toolbar at the bottom. After this has loaded the 'loading' light on my laptop is on constantly for ~3/4 minutes and my CPU usage rises to about 40% (sometimes up to 60) even though I have closed all other non-essential processes

and no programs are running. I am normally unable to open any programs during this time other than the task manager. However during this 'loading' period if I try to open a windows window (for example the update history or my documents) these open but immediately

become unresponsive and then 'windows explorer' becomes unresponsive and has to be restarted. As an additional note once during this loading time I tried to un-install an adobe program, but was unable as "an installation is already in progress" however no

other programs/processes were running.

Are there any ways to fix the updates not installing? And could this be the cause of my laptop loading so slowly each time?

Thank you for your help,

Matthew

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