Audio Units:

1. Close any host using Audio Units.
2. Open 32 Lives, under Utilities menu, click Clear Audio Units Cache.
* If needed you should also use the Clear Legacy Audio Units Cache.
3. Re-open your host.

VST:
Unlike Audio Units, VST is being cached by each host.

Steinberg Cubase 8.x
1. Open Cubase.
2. Under Devices -> Plug-In Manager click Reset (X) Icon.

* If you don't see it click the Settings Icon near the (i)nformation icon.

3. Quit Cubase and Relaunch.




Steinberg Cubase 7
1. Open Cubase.
2. Under Devices menu, click Plug-In Information and choose VST Plug-Ins tab.
3. Click Update Plug-In Information.

Nuendo 10 and Cubase 10
1. Open Nuendo/Cubase.

2. Under the Studio menu, click VST Plug-In Manager.

3. Click the Refresh icon.

4. Click the Blacklist tab and Click the Refresh icon.



Ableton Live
1. Open Ableton Live.
2. Select Preferences (Mac: under Live menu, Windows: under Options menu).
3. Select Plug-Ins.
4. Make sure 'Use VST2 Plug-Ins System Folder', 'Use VST3 Plug-Ins System Folder' and 'Use Audio Units'  are set correctly.
5. Click Rescan.


Studio One 3
1. Open Studio One and open a song.
2. Make sure Browse is open and you're seeing the browser on your right.
3. Click Plug-In Manager.
4. Click Update Plug-Ins. This should rescan your plug-ins.

5. Click Reset Blacklist and click Yes.

6. Close Studio One and reopen.




In some cases on some plugins will be blacklisted and will not reset. To solve this do the following:

Windows:

Navigate to "C:\Users<username>\AppData\Roaming\PreSonus\Studio One 4". 
Grab the 'x64' folder and move it to your desktop. Launch Studio One, it should rescan your plugins.

After you load a project and everything works as it should, you can delete the 'x64' folder that's on your desktop, Studio One created a new one after the plug-ins scan.


Mac:
open a new Finder window, click on the "Go" menu in the menu bar, hold down the ⌥ key (alt), the User Library will appear in the menu. Open the Library navigate to Application Support/Presonus Software/Studio One 4

Grab the 'x64' folder and move it to your desktop. Launch Studio One, it should rescan your plugins.

After you load a project and everything works as it should, you can delete the 'x64' folder that's on your desktop, Studio One created a new one after the plug-ins scan.

REAPER:
1. Open REAPER
2. Open Preferences.
3. Open Plug-Ins -> VST from the left list.
4. Click Clear cache/re-scan.
* When using resurrected plug-ins make sure they don't have (x86) suffix which is used only by REAPER's own bridge.

Logic Pro X:

1. Open Logic.

2. In Logic Pro X menu select Preferences and then Plug-In Manager.

3. Locate and select the plug-in.

4. Click Reset & Rescan Selection.





FL Studio 20:

1. Open FL Studio.

2. Click "Add" and select "Manage Plugins".
3. Click "Find more plugins".