Note on Outlook usage and COM compatibility
Are you using the new or old version of Outlook?
If you new Outlook use, we would like to point out that the COM interaction disabled This can lead to the errors you described. Unfortunately, there is currently no way to work around this, as Microsoft has disabled COM interaction in the new version.
Should you old Outlook There may be several reasons for this. Below are some suggested solutions that may help you:
🔧 Register the protocol in the c-entron itself
To enable c-entron to be started from other applications:
Open the c-entron
Click on the orange "i"
Go to the tab "System Info"
Click on "Register"
🛠️ Suggested solutions
Missing or damaged Outlook installation → Repair Outlook:
Open Control Panel → Programs and functions
Microsoft Office select → Change
Repair Select and follow instructions
Unregistered COM components → Re-register COM components:
Open Command Prompt as Administrator
Execute the following commands (adjust the path): regsvr32.exe /u "path\to\your\Outlook.dll" regsvr32.exe "path\to\your\Outlook.dll"
Problems with the Office Interop library → Reinstall the Interop library:
Download and install the latest version of the Office Interop libraries from the Microsoft website.
Incompatibility with the current Outlook version → Check Outlook version:
Check whether your application is compatible with the installed version of Outlook.
🧹 Registry cleanup for duplicate Outlook versions
If the behavior only occurs locally on the PC, it is possible that the system multiple versions of Outlook installed or not removed correctly.
Here's how to proceed:
Close all Outlook instances
Open the Registry Editor:
regedit.exeNavigate to:
HKEY_CLASSES_ROOT\TypeLib\{00062FFF-0000-0000-C000-000000000046}Delete the version keys for uninstalled versions:
Outlook for 2007:
9.3Outlook for 2010:
9.4Outlook for 2013:
9.5Outlook for 2016:
9.6
Only the key to the installed Keep version
Restart the system