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Windows Registry compression

Last response: in Windows 7
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June 12, 2010 10:46:58 PM

I was cleaning out my pc hard drive with a registry cleaning program. There was an option thats said compress registry files '"makes them faster". So i checked it and hit apply. now my computer now boots up to the wavy welcome logo, flashes a blue screen and reboots. I tried the whole diagnoses utility build in to windows but its doesn't find anything. Please, I need help.
a c 215 $ Windows 7
June 12, 2010 11:00:20 PM

Boot into safe mode and try to revert the change through the registry cleaner app you installed. If that doesn't work, use System Restore to try restoring the OS to a point before you compressed the registry. Once you get the OS back up and running, do 2 things:

1. Uninstall that registry cleaner program.
2. NEVER use another registry cleaning program EVER again. They don't do anything, except give you problems like this. If they claim to improve the speed of your system at all, they are outright lying to you.
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June 12, 2010 11:11:50 PM

Im having trouble booting into safe mode. i press f8 at boot and it brings me to a screen with nothing but a n with a tilde over it. sorry if i sound stupid. i've never had to deal with this. also i tried the system restore, but it says something about the disk having to be protected or something.
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June 12, 2010 11:44:00 PM

i got safe mode to work but it didn't change anything. :( 
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June 12, 2010 11:53:09 PM

I tried the system restore again, but it says "You must enable System Protection On this drive"
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June 13, 2010 12:53:54 AM

It has a restore point, but it claims i must enable drive protection. which to my understanding can only be enabled through through windows which of course is not working. :cry: 
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a c 215 $ Windows 7
June 13, 2010 12:54:10 AM

Since there are no system restore points, that option is out. If you are unable to open the registry cleaner program through Safe Mode to change back the "registry compression", boot from your Windows 7 DVD and click the Repair your Computer option when it appears. Use the Startup Repair wizard and have the system automatically scan for startup issues. If this fails, you will have to hook your hard drive up to another computer, back up your data, put the drive back into your computer, then wipe it out completely and reinstall Windows.
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June 13, 2010 12:57:56 AM

The_Prophecy said:
If system restore is turned off, no restore points exist.


Thats weird, Because it shows me 2, but i just cant continue after i select the restore point.
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June 13, 2010 12:58:54 AM

the restore dvd was my first action, but it did not find anything. Is there a was that i could reinstall windows without wiping my drive. to upgrade windows 7 with windows 7.
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a c 215 $ Windows 7
June 13, 2010 12:59:28 AM

If system restore is turned off, no restore points exist.
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Best solution

a c 215 $ Windows 7
June 13, 2010 1:05:14 AM

Unfortunately the repair options are more heavily reliant on System Restore and the integrated backup feature in Windows 7. You could "upgrade" the existing install, but you would have to reinstall your applications regardless, and there is a very real possibility that you will end up with residual problems after the upgrade is complete. It's certainly still an option, but I believe backing up and doing a fresh install is the safer choice.
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June 13, 2010 1:13:46 AM

argh, fak. thanks for the help though. Guess I have to go buy a new drive now... a full Terrabyte :( 
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June 13, 2010 1:19:02 AM

Best answer selected by huntern321.
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