Unable to install SRS2000; Error code 1603

Problem Description:
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Unable to install SRS2000; Error code 1603

Cause:
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Not properly removed the SRS2000.
Need to manually reconfigure it.
Done the below steps as mentioned in the resolution.

Resolution:
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Checked for all the below ones and manually made sure that they are deleted
a. Default locations:
i. C:\Program Files\Microsoft SQL Server\MSSQL\Reporting Services
ii. C:\Program Files\Microsoft SQL Server\80\Tools\Report Designer
iii. C:\Program Files\Microsoft SQL Server\80\Tools\Reporting Services
b. Remove tools items (C:\Program Files\Microsoft SQL Server\80\Tools\Binn)
i. ReportingServices.mof
ii. Rs.exe
iii. RSConfig.exe
iv. RSActivate.exe
v. RSKeyMgmt.exe
vi. ReportingServicesWmi.dll
vii. Resource folders
1. All Languages (DE, ES, etc)
2. 1033
4) Made sure the Virtual Directories were removed.
Removed Report Server dlls
5) Removed Registry Entries
a. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server\80\Reporting Services
6) Made sure the Databases were removed.
a. Default names are ReportServer and ReportServerTempDB

After that, we were able to install Reporting Services successfully after following the above steps.