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How to Easily Booting Windows 8 in Safe Mode?

When using previous Microsoft Windows version before Windows 8, there are some option to go while our Windows can not boot properly. At that version, we can press F8 to see some option for booting. But now when using Microsoft Windows 8, it will give other method to go to Safe Mode booting option.

Category : Computers (IT)

Why AVG Free Version 8 Can Not Update Virus Database Online or Offline ?
Post by: admin

When installed the latest version of AVG 8 Free version, everything work fine. We can update regularly the AVG virus database with direct update with AVG engine or also can be update by download the update file (*.bin) for offline update.

This is what I like using AVG because for download the database, we don't have to download all of update file which is now more than 6MB file size. Yes, maybe at the first time we have to download all, but after that, we only have to download additional file which is very small of filesize, also free to download for everyone.

Becareful to download AVG virus database update, because until now (at year 2008), AVG have 2 version to download :

1.For AVG 7.5+ (download here:
2.For AVG 8+ / latest version (download here:


Error with message : “Invalid Update Control CTF File”

In some computer, after several days or weeks, the AVG cannot update either online and with offline update file which already download first at AVG Website. The error appear with “Invalid Update Control CTF File”.
This problem happen because the ctf file is not correct, so we have to delete the ctf file for create new ctf file.

These are the location to delete all *.ctf file
For Windows XP : C:\Documents and Settings\All Users\Application Data\Avg8\update\download

For Windows Vista: C:\ProgramData\avg8\update\download

After delete all *.ctf file, then the AVG 8 must be work fine to update by internet or offline file.

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