It really works, worship!

Completely uninstall VMware ---- setup has detected that vmware workstation is already installed on this machine.

Install Vmware
The installation process is interrupted for various reasons, or the old vmware version is uninstalled and a new version is installed.
Detected that vmware workstation is already installed on this machine.
Please uninstall this product through Add/Remove Programs and try again.

1. Why is incomplete uninstallation?
VMware cannot be installed on a Windows host with Vmware products installed. Whether or not VMware is installed on a Windows Host depends on the key values of the Registry. When you uninstall VMWare, these key values are not deleted, so the next time you install VMWare, problems will occur.

Ii. solution:

Method ①:
1. log on to your host as a local administrator account
2. Disable all firewall software on the host. Some firewall software will interfere with the installation process.
3. Use the "add and delete software" function of windows to delete VMware.ProgramIn the list
4,
Run the vmwareregistration table clearing script. If the unloading fails, run vmware_install_cleaner.exe.
This is what we often call anti-installation software. This script can clear workstation 3.1, workstation 3.2, workstation 4.X,
Workstation 5.x, gsx server 2.x, gsx Server 3.0, gsx Server 3.1, ace
Manager 1.0, ACE 1.0, vmperl 2.0, vmperl 3.0, vmcom 2.0, and vmcom
3.0 during installation, write the Windows registry key value. If your VMware Workstation
The version is 5 series, you only need to enter vmware-workstation-<version>. EXE/C under the command line
To clear the key values written to the registry by the MSI installation package. Note: In the command line, set your current directory to vmware-
Workstation-<version>. EXE file directory. If this command does not work, use
Vmware_install_cleaner ..

Its:Http://kb.vmware.com/Platform/Publishing/attachments/1308_fVMware_Install_Cleaner.exe

5. restart the computer.
Restart your computer after or when VMware is successfully installed.
6. Use Microsoft cleanup Utility
How can I use support.microsoft.com/default.aspx? SCID = KB; en-US; 290301.

Method 2: manually clear the Registry
Operations on the registry may cause the system to fail to start normally. Back up the registry before modifying the registry.
1. log on to the local computer as an administrator
2. Stop the following services:
VMware Authentication Service
VMware Registration Service
VMware DHCP service
VMware NAT service
3. Uninstall VMware Network Bridge
Start> set> network connection> right-click any network adapter> Properties
Select and uninstall VMware Bridge Protocol
4. Uninstall vmware-installed devices
Computer Management> Device Manager> View> display hidden Devices
Double-click the plug-and-play driver and delete it as follows:
Hcmon
VMware network application interface
Vmparport
Vmx86
VMware Bridge Protocol
Double-click Network Adapter
Detach a network device containing the words Vmware
5. Run vmware_install_cleaner.exe
6. Delete the default installation location of the folder where your installer is located: C: \ Program Files \ VMware. The specific location is based on the location set when you install the software. Note: if your virtual system is also in this directory, save the virtual system file before deleting it.
7. The default folder for deleting application information is c: \ Documents ents and Settings \ All Users \ Application Data \ VMware \.
8. Delete the VMware Program Group folder, which is located at c: \ Documents and Settings \ All Users \ Start Menu \ Programs \ VMware \.
9. Delete the shortcut icon of the desktop
10. Delete the following files in the system folder.
% Systemdrive % \ winnt \ system32 \ vmnat.exe
% Systemdrive % \ winnt \ system32 \ vmnetbridge.exe
% Systemdrive % \ winnt \ system32 \ vmnetdhcp. conf
% Systemdrive % \ winnt \ system32 \ vmnetdhcp.exe
% Systemdrive % \ winnt \ system32 \ vmnetdhcp. Leases
% Systemdrive % \ winnt \ system32 \ vmnetnat. conf
% Systemdrive % \ winnt \ system32 \ vmxw2ksetup. dll
% Systemdrive % \ winnt \ system32 \ vnetprobe.exe
% Systemdrive % \ winnt \ system32 \ vnetprobelib. dll
% Systemdrive % \ winnt \ system32 \ vnetinst. dll
% Systemdrive % \ winnt \ system32 \ vnetlib. dll
% Systemdrive % \ winnt \ system32 \ vnetlib.exe
% Systemdrive % \ winnt \ system32 \ drivers \ vmnet. sys
% Systemdrive % \ winnt \ system32 \ drivers \ vmnetx. sys
% Systemdrive % \ winnt \ system32 \ drivers \ vmparport. sys
% Systemdrive % \ winnt \ system32 \ drivers \ vmx86.sys
% Systemdrive % \ winnt \ system32 \ drivers \ vmnetadapter. sys
% Systemdrive % \ winnt \ system32 \ drivers \ vmnetbridge. sys
% Systemdrive % \ winnt \ system32 \ drivers \ vmnetuserif. sys
% Systemdrive % \ winnt \ system32 \ drivers \ hcmon. sys
% Systemdrive % \ winnt \ system32 \ drivers \ vmusb. sys
11. Delete _ vmware_user _ users and _ VMware _ user groups in the local user group management.
12. restart the computer.

This article is from the csdn blog. For more information, see the source:Http://blog.csdn.net/zhbchn/archive/2008/07/26/2713184.aspx