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#1
Sic

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Hi.

I'm having problems with my computer.. I've had it for years now but suddenly it won't let me log in.

When I type my user and pass in the login screen, it won't show my desktop, but just gives me this error:

"A problem is preventing Windows from accurately checking license for this computer. Error code: 0x800700c1"

I've been searching for a while for a solution, and here's what I have already tried:

Start/run type:

regsvr32.exe regwizc.dll

regsvr32.exe licdll.dll

but it still won't work.




Anyone help please.. I have very important files for my work there.
Thanks

Edited by Sic, 25 May 2007 - 10:02 PM.

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#2
Retired Tech

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Did you do that in safe mode?
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#3
krmooo

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you wouldnt happen to own a dell would you?
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#4
krmooo

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boot into safe mode Start Registry Editor ...Delete the following registry keys in the Windows registry:
HKEY_USERS\.DEFAULT\Software\Microsoft\Cryptography\Providers
HKEY_USERS\S-1-5-20\Software\Microsoft\Cryptography\Providers
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#5
Sic

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Thanks for your quick replies guys..

Did you do that in safe mode

Yes I did, because I can't login normally, it just shows me the error then log me out.

you wouldnt happen to own a dell would you?


boot into safe mode Start Registry Editor ...Delete the following registry keys in the Windows registry:
HKEY_USERS\.DEFAULT\Software\Microsoft\Cryptography\Providers
HKEY_USERS\S-1-5-20\Software\Microsoft\Cryptography\Providers

Fortunately, no.

Ok, I just tried that after reading your post, and I can't seem to find those keys in my registry.


Thanks for your help.
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#6
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This is an outside chance

Items in blue which are underlined are clickable to give more information about the process

Start the System Restore Utility at a command prompt

1. Restart your computer, and keep tapping F8 during the initial start-up until you get options, select Safe Mode with a Command Prompt then press enter.

2. Log on to your computer with an administrator account or with an account that has administrator credentials.

3. Type the following command at a command prompt, and then press ENTER:

%systemroot%\system32\restore\rstrui.exe

4. Follow the instructions that appear on the screen to restore your computer to an earlier state.

Look for the most recent system checkpoint created before the errors to restore from

For additional information about the Safe mode with a command prompt, click 315222 to see a description of the Safe Mode Boot Options in Windows XP

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#7
Sic

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Thanks Keith for trying to help me.

Ok I tried to enter Safe Mode with that option, but it didn't load the cmd window, and even my desktop, so I opened it thru Task Manager.

I typed that command, and here's what I got:

System Restore is not able to protect your computer. Please restart your computer, and then run System Restore again.


Any more ideas? :whistling: Thanks
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#8
Sic

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Ok I'm getting desperate now.

Can I just reformat my PC? You think repairing the system files would work? If yes, can you please guide me and show me some tutorials because it'll be my first time doing this.

Thanks alot.
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#9
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You can use this guide to repair XP

Possibly, you will need to press the power button and keep tapping the delete key, (possibly F2) until the PC enters set up. Change the boot order to CD ROM Drive then hard drive, press F10 then press enter, load the XP CD then type Y then press enter, as it reboots, look for press any key to load from CD, press enter

You will need your XP product key to complete this

The XP Product Key is a 25 character alpha numerical code, which does not include the sequence OEM


If you have audio / video files which are subject to DRM you should check with the provider for known issues with performing an XP repair install

Click this to view the XP Repair Install Guide

Windows XP repair feature won't delete your data, installed programs, personal information, or settings. It just repairs the operating system

The XP repair install will look and run as a normal install, however, you must not see a request to format the drive


After running XP Repair you will need to install all Windows Updates

Microsoft Update
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#10
tempjag

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Thanks Keith.

I already did that yesterday (I saw admin's topic).

All went fine now, and I can login normally now :whistling:

Only problem is, when I drag a window, it's hanging. It's like lagging. And when I scroll a webpage, it also hangs.

I don't experience any other slow downs, it's the only problem now.

Any ideas on how to fix this? Please help.

Thanks alot. * It's really annoying.

Edited by tempjag, 27 May 2007 - 12:26 AM.

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#11
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Can you check the screen refresh rate is unchanged, then the video card drivers
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#12
tempjag

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How do I check them?

Sorry I don't know how to check or know my video drivers.

BTW, Before I asked in this topic, I already posted a new topic because I think this issue is already solved. Sorry if I did it wrong..

http://www.geekstogo...t...02.html&hl=
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#13
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Hello tempjag

Have replied to the thread you linked to, so two people aren't using this one

If you have the software CD's for the video and sound then you can use those, if they are onboard then they could be on the motherboard CD

If not, Everest will show you what is installed, if you need any help, please post a reply to the other thread
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