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CRYPT32.dll missing


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10 replies to this topic

#1 sgt19

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Posted 23 June 2012 - 02:08 PM

My Compaq Presario CQ61 was being restored to an earlier version and took extraordinarily long....2 hours and when was rebooted by the machine came up with blue screen saying CRYPT32.dll missing under a LogonUI.exe system error. This machine comes with no operating disks...can somebody help me restore this computer to working order? Please...the machine had advised me that I needed to chkdsk prior to my request and I did run chkdsk, took a couple 3 hours to complete but came up ok before I asked to restore to an earlier time

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#2 caperjac

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Posted 24 June 2012 - 06:24 AM

i think hitting the f11 key on bootup will display different boot options ,one of which would be system recovery ,all saved data/music/pictures ect ect will be lost when doing this, good luck

My answers are my opinion only,usually


#3 coxchris

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Posted 25 June 2012 - 12:39 PM

If you can get in to Normal Boot or Safe Mode

Open a command prompt Administrator permission

type in the following

sfc /scannow it will replace that missing dll file

Edit: I am attaching my that dll file. you need to move it to your C:\Windows\System32 folder by a command prompt

Xcopy E:\crypt32.dll C:\Windows\System32 press enter

Edit: I need to find another way to attach it but first please try to use sfc /scannow first

Edited by coxchris, 25 June 2012 - 12:51 PM.

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#4 dmcwe

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Posted 28 June 2012 - 05:08 PM

My Acer Aspire 5532, after a system restore came up with the same error as above. However when I try to open in safe mode the error still pops up and no command prompt can be entered.

After a bit of digging it would seem I have a couple of options: D2D restore (with backup) or restore with windows 7 disc?! Are there other alternatives? Am I correct with my initial assessment?

Unfortunately I haven't backed up my files, my error, so ideally a solution that keeps these intact would be ideal.

Thanks

#5 The_Outkast

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Posted 28 June 2012 - 05:34 PM

Do you have a Windows 7 installation disc?

#6 dmcwe

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Posted 28 June 2012 - 05:38 PM

I have a reinstallation DVD, although not originally for my laptop?

#7 The_Outkast

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Posted 28 June 2012 - 05:58 PM

-Boot from the DVD and select the "Repair your computer" option
-Once it locates your Windows installation, make note of the drive letter under the Location column
-Click Next
-Click on the Command Prompt link
-Type "cd\windows\system32" (without the quotes) and press enter
-Type "copy crypt32.dll D:\windows\system32" (again without the quotes), D is the location of your Windows installation (noted above)
-Press enter and you should see a message "1 file(s) copied."
-Close the Command Prompt window and click the Restart button

Be sure to remove your DVD from the drive and let the perform a normal boot.

#8 hamluis

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Posted 29 June 2012 - 10:31 AM

I would not use a "reinstallation disk" that is not for that particular system...the drivers, settings, etc. may not yield the desired result. Also...OEMs do not plan for the disks supplied for one system...to be applicable to a system of another OEM or a different system.

Reinstallation media are not synonymous with MS Genuine O/S disks.

Louis

Edited by hamluis, 29 June 2012 - 10:33 AM.


#9 Artrooks

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Posted 29 June 2012 - 11:36 AM

Hello dmcwe,

When your computer first starts and you continually tap the F8 key, do you have a "Repair My Computer" option on the Advanced Boot Options menu; where Safe mode is located? If you do, then try this:
  • Select Repair My Computer and hit <Enter>.
  • Select keyboard and then click Next.
  • Arrow down and select your username, type your password, and click OK.
  • Under the System Recovery Options screen title where it says "Operating System: Windows 7 on F: hard drive," make note of the drive letter in red so you can enter it into the command below.
  • Click on Command Prompt and at the X:\Windows\System32 prompt, please type the following:

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

    (Note the space after sfc, after /scannow, and after /offbootdir=f:\ ) (Substitute your drive letter in red from above step)
  • Press <Enter> and you should see a message: "Beginning system scan. This process will take some time."
  • When the scan finishes, if no errors are found type: exit, press <Enter> , then Restart.
  • If errors were found and corrected or unable to be corrected, please re-run System File Checker until "no integrity violations found" message received. It can take 2-3 runs for SFC to fix all that it can.


If you have access to another computer with a CD burner, a blank CDR disk, and a USB flash drive, you can rescue your Win 7 data following the guide below:
PUPPY LINUX - How to backup your data using, Windows Made Easy.

Regards,
Brooks



 


#10 dmcwe

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Posted 29 June 2012 - 03:03 PM

Thanks for the help and advice, it has seemed to work!

#11 Artrooks

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Posted 29 June 2012 - 08:06 PM

Good news. Posted Image Now don't forget to backup.

Regards,
Brooks



 





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