A bit late, but better late than never...
If you happen to be on a 64bit Windows, please note that the coloader80.dll is to be found in the (x86) subpath, so the correct magic wand movement would be to execute
regsvr32 "%CommonProgramFiles(x86)%\Microsoft Shared\VS7Debug\coloader80.dll"
instead of the above from a command line started with administrative rights.
NB: this doesn't mean "log in as an administrator", this means "right-click cmd.exe and select 'Run with administrative rights'" (or however that's shown in your local language).
[Edit 2017-12-27:]
Also - this may not be sufficient. Sometimes, this symptom comes from an error in the oleaut32.dll registration (yes, really), and the regsvr32 invocation doesn't change anything. In this case, download and install
OleAutClean.msi from Microsoft (the link may change over time, but the name should be easily findable). Afterwards, run the following from a command line started with administrative rights:
regsvr32 oleaut32.dll
regsvr32 "%CommonProgramFiles(x86)%\Microsoft Shared\VS7Debug\coloader80.dll"
(without the
(x86) part if you're on a 32 bit system).
That should do the trick in any case.