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Invalid update control CTF file

Something has corrupted your CTF files and the following should remove them so new copies can be downloaded.

You must be logged into the system as a computer administrator when you create and run the following file.

Using NOTEPAD create a file named ResetCTF.cmd and copy/paste the following two lines in it…
Then save the file to a location of your choice.

FOR /F “tokens=2*” %%a IN (‘reg query “HKEY_LOCAL_MACHINE\SOFTWARE\AVG\Avg8” /v “AvgAllUsersDir”‘) DO (SET avgdatapath=%%~fb)
del “%avgdatapath%\update\download\*.ctf”

When you save the file… I suggest you use the file name ResetCTF.cmd and make certain that the Save as type option is set as All Files and not Text Document

After you save it, to run the file with Windows 2000 or XP just click on the file. In Vista you need to right click and select “Run as Administrator”

If it was created properly, you should see a black Command box flash on the screen briefly, if it was not created properly NOTEPAD or your default text editor will open.

Once you have run that file… try updating AVG again.

If the problem persists… Then something must be corrupting your CTF files. This can be either a disk/file corruption or the corruption chould be happening when the file is being downloaded. The following should help if its a normal file/disk corruption or a problem in your system’s cache/temp files.

First let’s start by cleaning up all temporary files and check for registry issues. I prefer a util called CCleaner found at [www.ccleaner.com] which does an even better job than the Windows Disk Cleanup and it also can check for registry issues. When checking for registry issues, run it about 3-4 times until it lists no other issues.

Check your hard drive for file/system errors by running chkdsk. Open My Computer and right click on Local Disk C: selecting Properties, click the Tools tab and in the Error Checking area click the “Check now” button and select both options. It will tell you that it can’t test the drive right now and it will ask if you want to schedule it for the next system startup… select Yes. Restart your computer so that it can check the drive. This test will take some time to run and at times may appear stalled but just let it run.

Follow up all of that with a full Defrag to ensure the best performance you can of the system.

If the problem is actually caused by your internet connection itself or your internet proxy cache ( if either you or your ISP use one ) is corrupted, then this won’t address those possible causes. This also doesn’t address if the cause is from a malware that is on the system or any possible hardware failures that could also result in a corrupted file.

OR

There are 2 files that can be deleted as AVG will recreate them. If they become corrupted you will have to remove them manually.

In Windows XP, go to:
C:\Documents and Settings\All Users\Application Data\Avg8\update\download
and delete
avginfoavi.ctf and avginfowin.ctf

In Windows Vista, go to:
C:\ProgramData\avg8\update\download
and delete these 2 same files.

Re-run the update.
Fixed.

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