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Windows 7: A patch is preventing your system from starting

12 Jun 2011   #1

windows 7 ultimate 32bits
A patch is preventing your system from starting

Hi! this is the second time I have this problem. I have an HP pavillion dv9000 laptop, It had windows vista 64bits when it happened first. I was watching a video from an external HD when the video froze and everything froze too. I waited for a while but nothing happened, and ctrl+alt+supr didn't work either so I turned it off and restarted. Then it loaded the start page but it went black and didn't start. I attempted windows repair and it said it couldn't be repaired automaticaly. I resarched the error codes on the internet but I got many possible causes and I had no time and I was afraid I would make things worse so I took my laptop to a technician. I explained everything I knew to him and I thought he would know how to fix it or at least research and come up with an answer, but he had no clue. He told me he thought the HD was broken and didn't run and some of my info was lost in the place were the HD had this failure. That didn't make much sense to me, but oh well, He wiped everything off and re installed windows. This time he put windows 7 ultimate, 32bits. So my laptop was back again and it worked, but for some reason, even though my things weren't in there anymore, they kept using space, and I had only very little space left to reinstall all programs and get back to work. Except for that, everything was working normally, but then now, a week later, I decided to watch a movie from the external HD again and ZAZ! got the same problem all over again... now my computer is once again unable to load widonws and to repair itself and I don't know what to do.
It says: Root cause found= A patch is preventing your system from starting.
error code= 0x490

I really need to get back to work so I hope someone can help. There most be someone who knows how to fix this, but is not very likely anyone who knows will read this. Or at least not in time. Anyways, is worth the try.

My System SpecsSystem Spec

12 Jun 2011   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium 64bit

I suggest running Command Prompt from the repair menu and then Check Disk:
1. Insert the Windows 7 Disc and boot from it.
2. In the recovery menu, choose Command Prompt .
3. Type the following command and press Enter:

Chkdsk /r /f
My System SpecsSystem Spec

 A patch is preventing your system from starting

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