1. Open regedit and go to the key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\IDA Pro_is1.
2. Change the DisplayName value to IDA Pro Standard v5.0 or IDA Pro Advanced v5.0.
3. Run DiffingSuiteSetup.exe and install.
4. Change the DisplayName value back to its original value (if you want).
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