Lots Of Windows 7 Files Have Been Corrupted Or Are Missing

Apr 15, 2011

I probably got overly ambitious with a disk cleanup utility and now several functions of windows 7 don't work. New updates don't install, other updates that I DID install are missing, I am unable to run certain games, and I can't run SFC /scannow.However virus scan updates appear to be fine.What is the best way to fix this? I have an old backup I did with Norton Ghost on disk but something is wrong with the second disk so I can't use to to reinstall the entire backup but I might be able to extract some old files if I knew which ones to extract. I am running Window Seven Home Premium. It is a legal copy. I got it directly from Microsoft. If I try to run SFC /scannow from Windows I cannot get it to show up or do anything. Its like I never did anything. If I try to run SFC /scannow from the boot CD using this command

sfc /scannow /offbootdir=f: /offwindir=f:windows

I get this error messge:

Windows Resource Protection Could not run the repair service IF I try to run the repair outlined here:[URL]I get an error saying Windows cannot find the file specified.My computer specs are

desktop:
Drive C: W7 Home Premium 80GB NTFS (IDE)
Drive D: WinXP Pro sp2 80GB NTFS (IDE)
Drive E : Storage 80gb (IDE)
Drive F and G DVDR's

[code]....

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Bootmgr.exe Missing... Mpio.sys Missing Or Corrupted. Unable To Boot?

Oct 28, 2011

I just got a computer for free, a Dell Studio 1555. When I got it, it would try to boot, then come to a screen that said that bootmgr.exe was missing. Sometimes I got a message that said something like mpio.sys was corrupted or missing. I have a Win 7 disk, so I put it in and tried to repair the installation. Each time I ran it, it said that the repair had failed. I tried to reinstall windows 7, and It made it to the first restart in the process. It showed the "Starting Windows" screen, but the colors of the windows logo never appeared, then I got the missing bootmgr screen. I decided to install Ubuntu and see if that worked, and it did (I installed it alongside the Windows installation). It was Ubuntu 10.04. I thought, "OK, so i'll just use this as a Linux machine"...and I decided to go back and reinstall so that I could use the entire hard drive. It never worked correctly again. Each subsequent time that I installed Ubuntu, I was told something along the lines of "Gnome Power Manager did not install correctly" and got a slow and choppy Ubuntu installation.Tried to install 11.10, and it failed completely. I opened the Ubuntu live from my usb drive, and opened the disk utility. I now cannot format, reformat, partition, or delete partitions on the drive. Is all of this just a case of a hard drive on its last legs, or is there something else going on here?

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Apr 3, 2011

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Oct 20, 2012

I have begun getting an error message on boot that that the file $windows.~btwindowssystem32winload.exe corrupted or missing. I've done the following:

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2) Booted from Win7/64 Install (upgrade) disc, opened command prompt and ran bootrec.exe /fixmbr, bootrec.exe /fixboot, and bootrec.exe /RebuildBcd.

3) Booted from Win7/64 Install (upgrade) disc, opened command prompt and ran chkdsk /f /r

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Nov 11, 2012

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Mar 18, 2012

Laptop configuration:

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i7, 2Gb RAM.

The computer has been running fine for the last year. I am giving the series of events below:(Please note that linux is still running fine, so this cant be a hardware problem)##Today, when I started my laptop, it failed to start. It showed no error, its just that after the windows logo comes, it froze in a black screen with mouse cursor visible.###I forced restart, and then it gave me the option to repair, because windows was unable to start. ###I chose repair, and the repair program started "detecting problems". Then it gave me the option to either do a system restore or cancel. I chose system restore. ###I let it run for 3 hrs., but it seemed to make no progress, so I forced restart. (It didnt let me cancel also, said that current recovery process cannot be canceled)###I tried to enter safe mode this time, and was successful. I went to system restore, where it showed me an option to restore to an older point where I hadnt uninstalled a game (Assassin's creed Revelations)### For some reason, I didnt restore the system. I thought that maybe all this was a temporary problem. So I restarted normally, and tried starting windows the normal way. It failed. After the windows logo comes, there is a black screen with mouse pointer for a few seconds, then it automatically restarts. (this is what happened then, and also happens now)### I tried entering safe mode, but failed. Same thing started happening in safe mode also. Even though I opened safe mode successfully just a while ago.### I tried many times to start windows in safe mode and all its variants, but to no avail.### I tried many times with the startup repair option, but also to no avail. It always seemed that it would go on forever.

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1. If I somehow ask around and get someone else's windows 7 64 bit installation disk, will it work? (Someone else's disk, from which my windows was not installed). I dont need to put in the key or something, do I? I dont even know the key. The laptop came with windows installed and everything.

2. Can I simply replace the file isapnp.sys in windows/system32/drivers folder through linux? I asked my friend to give me his isapnp.sys file (which was of the same size as mine, he also ran win7 64 bit). Replaced it, but it doesnt work. Is there some other place I should replace it too, or this method is not supposed to work?

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I know everyone hates n00bs who ask questions that have already been answered, and I did google this first (and call Microsoft), but the results I found on google went right over my head and Microsoft was not helpful at all (I shot them off an e-mail thinking I might get better service that way, but they haven't responded yet.)

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