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Windows 7: My Computer crashed after replacing authui.dll


31 Jul 2012   #1

Windows 7 Home Premium 64bit
 
 
My Computer crashed after replacing authui.dll

i was on askvg.com and found win8 login for 7

i replace authui.dll in system32 and sysWOW64

also replased basebrd.dll

then tried it out by switching user i got black screen

then rebooted and i still got a black screen

then i booted into startup repair and then it gave me an error

now i have startup repair infinite loop

please help i wanna use my PC !

My System SpecsSystem Spec
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31 Jul 2012   #2

Microsoft Windows 7 Pro 64-bit SP1
 
 

Try going into safe mode by pressing F8 at start up. Then try using system restore to restore back before you modified the file.

-Justin
My System SpecsSystem Spec
31 Jul 2012   #3

Windows 7 Home Premium 64bit
 
 

i cant their is an infinite loop of startup repair
My System SpecsSystem Spec
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31 Jul 2012   #4

Microsoft Windows 7 Pro 64-bit SP1
 
 

Load your windows installation disk, go into the BIOS and select your CD/DVD drive as first boot. Then try to do a system restore from there. Since you will be booting with the disk, it isn't loading windows from the HDD so you should be out of a infinite loop.

-Justin
My System SpecsSystem Spec
31 Jul 2012   #5

Windows 7 Home Premium 64bit
 
 

dont have repair disk
My System SpecsSystem Spec
31 Jul 2012   #6

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate SP1 X64 (Windows 8.1, Linux Mint, Windows XP and others in VM)
 
 

Find someone else who has Windows 7 Home Premium X64 and make a repair CD from their OS and use it on yours. Try to restore using a time before you replaced the dll. I would recommend if you are not very familar with windows 7 you not replace or delete dll files or any other system type files.
My System SpecsSystem Spec
31 Jul 2012   #7

Microsoft Community Contributor Award Recipient

Win 7 Pro x64 / Win 8.1 Pro
 
 

Here is a other option to try SFC /SCANNOW : Run in Command Prompt at Boot
Jerry
My System SpecsSystem Spec
Reply

 My Computer crashed after replacing authui.dll




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