Your registry must still contain some pointers, I fear.

It's a dangerous thing to tinker with the registry - with BOINC uninstalling usually does its job well enough. In your case you even wouldn't have had to uninstall - BOINC 5.2.2 installs flawlessly over an existing 4.45.

I can only hope you have a backup of the registry or can find the remaining key(s)...

BTW: You should replace HTML with BBC in your signature. HTML is no longer supported.

:-)= Greybeard

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All about BOINC: BOINC-Wiki (by Paul D. Buck)

Did you uninstalled 5.2.2 and deleted the full Boinc folder before installing 4.45 again?

FYI, installing 5.2.2 should be done without uninstalling 4.45.

Quite honestly, I shouldn't take care about the registry entries.

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Read the News at the homepage
Have a look at the Technical News
Look if your question is not answered at the Boinc Wiki

Best greetings, Thierry

Recently, and for no apparent reason, Boinc failed to connect. Thinking that there was a problem with Boinc, I uninstalled it and removed all Boinc references in the Registry. However, when I tried to download 5.2.2, I got the following error message: "1714 Older version can't be removed."

I then attempted to reload 4.45 and now recieved the following error message: "The configuration data for this product is corrupt."

I am now at a loss as to how I can reload Boinc and keep on crunching. Help, help, help.

Jack lass
jlass@starpower.net

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THE MOTHER OF FOOLS IS ALWAYS PREGNANT

I'M TROLLING FOR FOOLS. THIS MUST BE THE PLACE!