Windows Installer - Foler Containing MSTPCRT.msi

Environment
  • Microsoft Office 2003 SP3
  • PenPower JR

Introduction
User runs Word 2003 each time with PenPower JR, would ask to install MSTPCRT.msi


Solutions
Tried to reinstall PenPower JR, but problem is still here

Finally, solved this by searching MSTPCRT via Regedit. Get its package code - 7AA601017E8384343869F935D57F36FE, and then delete these
  • HKEY_CURRENT_USER\Software\Microsoft\Installer\Features\7AA601017E8384343869F935D57F36FE
  • HKEY_CURRENT_USER\Software\Microsoft\Installer\Products\7AA601017E8384343869F935D57F36FE
  • HKEY_CURRENT_USER\Software\Microsoft\Installer\UpgradeCodes\95B8ACE0336FAC7489E3BDC8183B881A
Also, delete this, which is searched
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{10106AA7-38E7-4348-8396-9F535DF763EF}