How to delete winzip registry optimizer?

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Windows 7 has a built-in file extractor you can use to work with compressed files on your business computer, so if you have the popular WinZip file extractor installed on your system, you may want to remove it to free up some space on your hard drive, or to troubleshoot it if you want to use this third-party extractor, but are experiencing a problem with file extraction and need to reinstall it. If the typical removal method does not work, uninstall WinZip manually using the Windows Command Prompt and the Registry Editor.

Using the Control Panel

Click "Start | Control Panel | Programs | Programs and Features."

Find and click "WinZip" to select it.

Click "Uninstall" on the toolbar, then click the "Yes" button to confirm that you do want to get rid of WinZip. Click "Yes" or enter your password, if prompted.

Wait while Windows removes the program, then close the "Uninstall or Change a Program" window.

Uninstalling Manually

Open the WinZip program folder, which is saved in the "Program Files" folder by default. Click the Start button and select "Computer." Double-click your primary drive, which is usually C:, then double-click "Program Files." Double-click "WinZip" to open the program's folder.

Press "Ctrl-A" to select all of the data in the folder. Right-click anywhere on the selected files and choose "Properties." Click the "Read Only" check box to clear it, then click "OK." Click "OK" on the Confirm Attribute Changes dialog box, then click "Continue" on the Access Denied prompt window.

Click the Start button and type "cmd" in the search box. Right-click "cmd.exe" and select "Run as Administrator." Click "Yes" or enter your password, if prompted. Type ""%ProgramFiles%WinZipwinzip32" /uninstall" (omit the quotes) into the Command Prompt window and press "Enter." Confirm that you want to uninstall the program, then close the Command Prompt window and restart your computer.

Navigate to the WinZip program folder, but do not open it. Right-click the folder and press "Delete." Click "Yes" to confirm that you want to delete the folder and its contents.

Use the Windows Registry Editor if WinZip appears in the list of installed programs in the Control Panel but you cannot uninstall it there. Click the Start button, type "regedit" into the search box and press "Enter." Click "Yes" or enter your password, if prompted.

Navigate to "HKLMSOFTWAREMicrosoftWindowsCurrentVersionUninstall ", where "?" is a number. Click "" to verify that its display name is "WinZip" in the right pane. Press "Delete" and click "Yes" to confirm that you want to delete the folder and its contents. Close the Registry Editor window.