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Tuomet reikės naudotis sudėtingesnėmis instrukcijomis tik prieš tai būtinai išsisaugok registro duomenis, kad eitų atstatyti iškilus problemoms.

Click Start, and Run.
Type in "regedit".
Click on the plus sign next to "HKEY_LOCAL_MACHINE"
Click on the plus sign next to "Software"
Click on the plus sign next to "Microsoft"
Click on the plus sign next to "Windows"
Click on the plus sign next to "CurrentVersion"
Click on the plus sign next to "Uninstall"
Click once to highlight the key on the left side: {578FA426-47C0-4A3F-98A4-01ACD26B7556}
Make sure that key is highlighted and hit the Delete key on the keyboard. Choose Yes to confirm the delete.
Click on the plus sign next to "InstallShield Uninstall Information"
Click once to highlight the key on the left side: {578FA426-47C0-4A3F-98A4-01ACD26B7556}
Make sure that key is highlighted and hit the Delete key on the keyboard. Choose Yes to confirm the delete.
Close the registry editor by clicking on Registry at the top and then click Exit.

Next, delete the following folder:
Double click on My Computer.
Click on Tools, then Folder Options.
Click on the View tab
Click on Show hidden files and folder to place a check by it.
Click on Apply, then OK..
Double-click the Program Files folder
Double-click on the InstallShield Installation Information
Click once on the {578FA426-47C0-4A3F-98A4-01ACD26B7556} folder to highlight it.
Press the Delete key on the keyboard and confirm the delete.