Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: SP1 fails and after reverting Window will not start

24 Feb 2011   #1

Windows 7 Pro 64bit
SP1 fails and after reverting Window will not start

I'm using Window 7 Pro 64bit with all MS updates applied. Using Update I tried to install SP1. It said that it was making a restore point (which later cannot be found) then failed just after I saw 100% installed. It then said that it was reverting to the original and un-installing SP1.

On it rebooting I got the message "BOOTMGR missing" and asked me to insert my Windows 7 disk. (legal and activated).

I then selected the "repair" option and it completed. However the message BOOTMGR missing still appears and Windows will not start except in Safe Mode.

I went into CMD mode and after selecting the disk # and partition # I fixed the MBR using:

bootrec /fixmbr
bootrec /rebuildbcd
bootrec /fixboot

This went okay but on rebooting again I see BOOTMGR missing. However when I use the Windows 7 disk I then saw "Windows" in the operating system list window so selected a further repair.

After all that I still can only start Windows (like now as I type) using Safe Mode with Networking.

I have checked that my bios is calling up the boot drive which is the only one I have left connected.

System restore reports that I do not have any restore points despite the SP1 installation saying that it was making one. (perhaps my restore points are on one of my disconnected drives?)

Has anyone any idea why I can use Safe Mode but not normal mode despite it running faultlessly for months?



My System SpecsSystem Spec
24 Feb 2011   #2

Microsoft Community Contributor Award Recipient

Windows 7 x64

Have you run the secure file check?
The failure may have halted during reconfiguring system files.
SFC /SCANNOW Command - System File Checker
My System SpecsSystem Spec
24 Feb 2011   #3

windows 7 64 bit

this is very similar to what it has done to one of my installations except I can recover it using system restore.
My System SpecsSystem Spec

24 Feb 2011   #4

Windows 7 Pro 64bit

Quote   Quote: Originally Posted by Maguscreed View Post
Have you run the secure file check?
The failure may have halted during reconfiguring system files.
SFC /SCANNOW Command - System File Checker
Yes I have run sfc and it reports no problem


My System SpecsSystem Spec
12 Mar 2011   #5

Windows 7 32 Bit
SP1 Fix

Run the lines below in a batch file
From F8 on startup , Windows Repair , Comand Prompt
Yes it has windows on the D even thou it's on C
I've found the USB drive of F: on most systems

@Echo Windows7 SP1 Stuff up Repair





ren default default.old
ren sam sam.old
ren security security.old
ren software software.old
ren system system.old

cd regback


copy default \windows\system32\config
copy sam \windows\system32\config
copy security \windows\system32\config
copy software \windows\system32\config
copy system \windows\system32\config

My System SpecsSystem Spec
14 Mar 2011   #6

Win 7 x64 Pro
SP1 Fix

Thanks, I finally have access to my Win 7 home premium system on my Dell Studio 1555 in "regular" mode rather than only safe mode.

My problem is, if I reboot again Win tries to reapply SP1 and I end up going through the SP1 Fix process again.

I tried running the standalone installer under safe mode - also failed - also fails to revert.

I tried to get to the Windows SP Upgrade Readiness download via MS, but both attempts ended up with a zip file for which the password given to me, by MS, will not unlock.

I'm stuck in a loop.
My System SpecsSystem Spec

 SP1 fails and after reverting Window will not start

Thread Tools

Similar help and support threads
Thread Forum
Window 7 Start-Up Repair completes but window fails to boot.
After rebooting my system, it recommended that i do a start up repair. After the repair completed i recieved the black screen right before choosing USER , so i tried 3x more to repair which each completed but same outcome till the point it just says cant repair automatically . Then i tried to...
General Discussion
failure configuring window reverting changes
I've had this problem for awhile now. everytime i start up my computer it starts configuring updates. First it jumps to 15% then 35% then it says the message above. I've restarted multiple times already. When I tried to manually install everything from windows update a few updated but i still have...
Windows Updates & Activation
new GTX-Titan box fails 'Windows Experience' & has jerky window drags?
I've got a new dual Xeon SuperMicro X9DAi box box with 128GB Crucial ECC RAM with a Titan and a Corsair AX1200i. After installing all the drivers (latest motherboard BIOS, latest nVidia drivers, chipset drivers) & all Microsoft updates, I noticed that dragging any window across the screen was...
Graphic Cards
RDC window fails to close
When I disconnect an RDC session, the window just goes black and stays open. It disconnects OK, but the window remains. To close it, I have to use Task Manager. At one point I had 5 black RDC windows open. Anyone else having this issue? I have been Googling around and am not seeing anyone else with...
Network & Sharing
Windows Fails to start, Start up repair does not launch.
I have been trying to pinpoint this problem for a little shy of a week now. I have a custom built desktop which was running windows 7 Ultimate when it started to have troubles shutting down and booting up. It would fail to shut down and the windows start up would either get stuck for awhile(on the...
BSOD Help and Support

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 08:13.
Twitter Facebook Google+