guten morgen!
eventuell einen registry-cleanup durchgeführt (norton systemworks etcpp)??
schau mal HIER
und Google brachte norton systemworks-bezüglich:
Thank you for contacting Symantec Online Technical Support
To undo the deletion of the AutoCad key in One Button Checkup
1. Open One Button Checkup.
2. Under Details, click Repair History.
3. Locate and check the Problem Fixed for AutoCad.
4. Click Undo.
5. Click Yes to confirm that you want to undo the problem.
6. Exit One Button Checkup.
7. Open AutoCad to check for the issue.
To prevent One Button Checkup from removing the AutoCad.
1. Run One Button Checkup.
2. An error is found in Windows Registry Scan.
3. Click "view details".
4. Click "Invalid ActiveX/COM Entries."
5. In the Invalid ActiveX/Com Entries window, locate the entry that refers to AutoCad.
6. Right-click the AutoCad entry, then click "Ignore Selected Problem."
(I was able to Shift-Click here to make quicker work of the Ignore)
7. Click OK.
Best regards,
Symantec Authorized Technical Support
ansonsten: acad neu installieren
lg
greli
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