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[SOLVED] Computer won't restart: "Root cause found: Boot critical file D:\CI.dll is corrupt."

 
 
GW7777 GW7777 is offline
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      04-20-2011
I was using the computer when all of a sudden it shut down. When I turn it back it on, it automatically tries to do a Startup Repair. After several minutes, I get the message: "Startup Repair cannot this repair this computer automatically." When I click on "View problem details," everything looks fine except for "Root cause found: Boot critical file D:\CI.dll is corrupt." This happens every time I try to retart the computer. I've tried System Restore and System Image Recovery to no avail.

Thanks in advance for your help.
 
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Ian Ian is offline
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      04-22-2011
Can you try using the following tutorial to see if you can use SFC to replace the corrupt dll file?

This tutorial should explain how it works:

http://www.winhelponline.com/blog/ru...ndows-7-vista/
 
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GW7777 GW7777 is offline
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      04-22-2011
Ian,

Turns out the computer had a rootkit virus, and Kaspersky TDSSKiller removed it. Thanks anyway.
 
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dizzle1119 dizzle1119 is offline
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      04-23-2011
I'm having the same problem, so could you please tell me how you fixed it? I'm begging you. I've done everything I know how to do.

startup repair does nothing.
system restore does nothing. Actually, system restore will run successfully, but it ultimately doesn't change a thing.

I can't get past startup repair, so how on earth am I going to fix this?
 
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davehc davehc is offline
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      04-23-2011
As GW7777 found. Do a full scan with your anti virus program and accept any "fixes".
P.S. Some free anti virus programs do not scan for root virus's
 
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TrainableMan TrainableMan is offline
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      04-23-2011
You might also try RKill and the freeware version of Malwarebytes. Both are listed in our Freeware DB.
 
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dan.smart dan.smart is offline
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      04-23-2011
Quote:
Originally Posted by TrainableMan View Post
You might also try RKill and the freeware version of Malwarebytes. Both are listed in our Freeware DB.
PMJI

How do you run a rootkit cleaner when the computer won't boot?

-=Dan=-
 
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TrainableMan TrainableMan is offline
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      04-23-2011
If your machine won't boot from the HD (and I assume you've already ruled out hardware failure) then you set your BIOS to boot from CD and you start-up with the system disk.
 
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olivetty olivetty is offline
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      04-29-2011
Hi,

First of, thank you for taking the time to even read this!

Secound, I saw you had the same problem like me, with the corrupt boot.

So, the Q is: How did you run the TDSSKiller when you can't boot the computer?? Appreciate the help mate!


Sincerly,

Oliver from Sweden!

EDIT: Saw you said to use the start up disk, but how do you run the application??
 
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TrainableMan TrainableMan is offline
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      04-29-2011
Hopefully the System Repair feature can fix you to a point where you can boot. If not then a complete reinstall or recovery from your back-ups may be necessary. Unfortunately viruses/malware do not play nice, that is why we strongly recommend a regular back-up schedule to an external drive or online storage facility.
 
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