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.

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.

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.

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 (On).
5. Click Rescan.

Studio One 5
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, 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 5". 
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/Studio One 5

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 Pro X.

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.




Digital Performer 10:


1. Open Digital Performer 10.

2. Select Preferences (Mac: under Digital Performer menu, Windows: under Edit menu).
3. Select Audio Plug-Ins (under 'General').

4. Select the plugins that have been unexamined or have failed validation and click 'reexamine'.