SOLUTION 1:
1. Look for the TOAD.ini file by default located in C:\Program Files\Quest Software\Toad for Oracle\User Files.
2. Open up the TOAD.ini in Notepad.
3. Find the entry "AutoReplace Activation Keys="
4. Add ;,:=[]\n\t\s to it.
So you should have AutoReplace Activation Keys=;,:=[]\n\t\s .
SOLUTION 2:
1. Close out TOAD.
2. Look for the TOAD.ini file by default located in C:\Program Files\Quest Software\Toad for Oracle\User Files.
3. Rename it to TOAD.OLD.
4. Re-launch TOAD.
Caution: Renaming TOAD.ini will cause TOAD to revert to the default setting. If you have spend time customizing your TOAD setting and do not want to loose them, use SOLUTION 1.