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Deleting Hiberfil.sys And Pagefile.sys Advice Needed?


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#1 bluesjunior

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Posted 21 September 2007 - 09:28 AM

Having had problems with my previous AV program and reading on these forums positive results about Avira Antivir Free I decided to uninstall the one I had and install Antivir instead. After installation and reboot I let Antivir scan my PC. It found nothing other than two warnings. These warnings were for the following two files, C:\hiberfil.sys and C:\pagefile.sys I did a search on Google and found several links giving instructions to delete these two files for various reasons.

I thought before I take these steps I would come here and ask you clever chaps for your opinion and advice regarding the deletion or not of the two files mentioned.
Thanks in advance for any help offered,
Bluesjunior.
Motherboard: Gigabyte GA-MA770T-UD3, CPU: AMD Athlon II X3 450 Processor, Memory: OCZ 4GB (2x2GB) DDR3 1333MHz,Graphics: PowerColor HD 5750 1GB GDDR5,
PSU: Corsair 430W CX PSU 4x SATA 1x PCI-E, Hard Drive:Samsung SpinPoint F3 500GB Hard Drive SATAII 7200rpm 16MB Cache.

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#2 usasma

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Posted 21 September 2007 - 10:30 AM

hiberfil.sys is the file that Hibernation stores your info in when you hibernate the computer. The safest way to delete it is to turn off Hibernation in your power settings, then reboot and turn it back on.

pagefile.sys is the virtual memory for your computer and the computer uses this to augment your onboard RAM if it needs it. To delete it and start over, try the directions here: http://www.bleepingcomputer.com/forums/ind...st&p=389845

2) Use this technique to "reset" your pagefile:
a) Go to Start...Run...and type in "sysdm.cpl" (without the quotes) and press Enter.
-Then click on the Advanced tab,
-then on the Performance Settings Button,
-then on the next Advanced tab,
-then on the Virtual Memory Change button.
In this window, note down the current settings for your pagefile (so you can restore them later on).
-Then click on the "No paging file" radio button, and
- then on the "Set" button. Be sure, if you have multiple hard drives, that you ensure that the paging file is set to 0 on all of them.
-Click OK to exit the dialogs.
c) Reboot (this will remove the pagefile from your system)
d) Then go back in following the directions in step a) and re-enter the settings that you wrote down in step . Follow the steps all the way through (and including) the reboot.
e) Once you've rebooted this second time, go back in and check to make sure that the settings are as they're supposed to be.


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#3 bluesjunior

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Posted 21 September 2007 - 01:06 PM

Thanks for your reply Usasma, It is okay to delete these files is it?. I don't want to risk damaging anything.
Motherboard: Gigabyte GA-MA770T-UD3, CPU: AMD Athlon II X3 450 Processor, Memory: OCZ 4GB (2x2GB) DDR3 1333MHz,Graphics: PowerColor HD 5750 1GB GDDR5,
PSU: Corsair 430W CX PSU 4x SATA 1x PCI-E, Hard Drive:Samsung SpinPoint F3 500GB Hard Drive SATAII 7200rpm 16MB Cache.

#4 WinCrazy

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Posted 21 September 2007 - 03:07 PM

Hi bluesjunior. It is safe to delete these file.

The pagefile will automatically rebuilt when a PC restarts.

The hibernation data file will be automatically rebuilt when it is needed.

#5 bluesjunior

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Posted 22 September 2007 - 08:32 AM

Job done, no problems. Thanks guys.
Motherboard: Gigabyte GA-MA770T-UD3, CPU: AMD Athlon II X3 450 Processor, Memory: OCZ 4GB (2x2GB) DDR3 1333MHz,Graphics: PowerColor HD 5750 1GB GDDR5,
PSU: Corsair 430W CX PSU 4x SATA 1x PCI-E, Hard Drive:Samsung SpinPoint F3 500GB Hard Drive SATAII 7200rpm 16MB Cache.




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