First step: Reformat your hard disk, reinstall OS & program, BUT NEVER INSTALL K-LITE anymore.

Then try again.

You may have to follow these instructions (from the CamStudio user forum):

I had the same problem as described in this thread and followed moisamva's instructions on Windows 7.  I am however using a work computer which does not allow changes to the registry.  So I figured out another way to make the same changes to the registry which doesn't require so much technical knowledge.  I wish I could simply post an attachment here, but unfortunately I'll just have to write out instructions to re-create what worked for me:

1. Download the latest Codec.

2. Extract it from the zip file.

3. Double click camcodec.inf or drag it to notepad.

4. Find the section that looks like this:

[camcodec.AddReg]

HKLM,SYSTEM\CurrentControlSet\Control\MediaResources\icm\VIDC.CSCD,Des cription,,%Description%

HKLM,SYSTEM\CurrentControlSet\Control\MediaResources\icm\VIDC.CSCD,Dri ver,,"camcodec.dll"

HKLM,SYSTEM\CurrentControlSet\Control\MediaResources\icm\VIDC.CSCD,Fri endlyName,,%Description%

HKLM,Software\Microsoft\Windows\CurrentVersion\Uninstall\camcodec

HKLM,Software\Microsoft\Windows\CurrentVersion\Uninstall\camcodec,Disp layName,,"CamStudio Lossless Codec"

HKLM,Software\Microsoft\Windows\CurrentVersion\Uninstall\camcodec,Unin stallString,,"rundll.exe setupx.dll,InstallHinfSection DefaultUninstall 132 %12%\camcodec.inf"

5. Add the following two lines:

HKLM,SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\drivers.desc,"camcodec.dll",,"CamStudio lossless codec [CSCD]"

HKLM,SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Drivers32,VIDC.CSCD,,"camcodec.dll"

6. Save the file.

7. Right click on the file, click 'Install'.  If you've already done this (e.g. before reading this post), dont worry - you can do it any number of times.

8. Start CamStudio.  You should now see the Lossless codec listed.

Jeff

Did you run it through VirtualDub (the 32-bit version, not the 64-bit version)?

Jeff

EDIT: Premiere Pro CS5 or later will never see that codec because it's 32-bit.  You need to run it through 32-bit VirtualDub and encode it with a 64-bit codec like Lagarith or UT.  Then, and only then, will Premiere Pro CS5 be able to play the video portion of the file.

The last suggestions I have are:

1. Install the CamStudio codec separately from the program, or
2. See if you can encode it to .wmv using Windows Media Encoder 9 or the new Expressions Encoder 4 (free version).

If either or both of these don't work, then I'm out of ideas.

Jeff

• CamStudio was designed to see the codec, so it may have an advantage over other Windows apps.
• VLC has its own library of codecs, so it doesn't rely on Windows.

VirtualDub has been known to be able to decode that codec, so maybe something is wrong with the codec installation.  A program called GSpot Codec Information Appliance can help.

First, open GSpot's filter list:

Then:

1. Sort the list by Format
2. Check that CSCD is listed as a decoder.
3. See if it has any problems.

NB: Some decoders, like the MainConcept and Flash decoders in Adobe applications, are listed as having problems when they really don't.  It's just Adobe's way of keeping them for Adobe use and not for general use by other applications.

Jeff