# Damned "Epic" Fail - Plug-in Install FAILURE! This is UN-ACCEPTABLE! **URL:** \ **Category:** Issues and Bug Reporting (Unreal Engine)\ **Tags:** launcher-error, unreal-engine, epic-games-launcher, Plugins\ **Created:** [November 9, 2026, 1:35pm UTC](https://forums.unrealengine.com/t/damned-epic-fail-plug-in-install-failure-this-is-un-acceptable/2852835 "2026-11-09T13:35:08Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![mongoose666](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/mongoose666/32/1187071_2.png) [@mongoose666](https://forums.unrealengine.com/u/mongoose666)\ **Post date:** [November 9, 2026, 1:35pm UTC](https://forums.unrealengine.com/t/damned-epic-fail-plug-in-install-failure-this-is-un-acceptable/2852835/1 "2026-11-09T13:35:08Z")
### Summary What in the hell is going on! šŸ˜” šŸ¤¬ - Error IS-0007 and others. Projects donā€™t bloody well appear in the launcher so take a guess - yeah you canā€™t bloody ADD to Project because it canā€™t see any! Itā€™s not just one plug-in it seems to be pretty much ALL of them! Also projects ARE NOT added to the launcher either! It is NOT just 5.8.4 it is also 5.7.4 too! My computer is COMPLETELY clean as in fresh windows install and an e-mail client + anti-virus. So they can bugger off with trying to suggest that it is anything to do with a bad Windows install or corrupt system. It was doing this yesterday which is why I fresh installed this computer to check if it was due to a corrupt system or bad Windows update. Though it could still be due to latest Windows updates??? This is un-acceptable!!! Also typical from Epic that they donā€™t actually seem to use their own software at all! Why the hell there are no filters for showing only plug-ins that require updating for instance. Not to mention NOT being able to work on ANY projects and using the bloody plug-ins I have spent so bloody much money on!!! ### What Type of Bug are you experiencing? AI ### Steps to Reproduce Gee ummmmm! Trying bloody well installing a plugin ā€¦ you know those things we spend a lot of money on and now canā€™t bloody use! And because the bloody projects DONā€™T APPEAR IN THE LAUNCHER you cannot ADD to PROJECT on bloody well anything! It is completely broken - cannot use it to do any damned work ### Expected Result Plug-in installs. Project appears in launcher. ### Observed Result Some kind of error, usually IS-0007! Gee umm duh! Canā€™t add to project!!! ### Affects Versions 5.8 5.7 ### Platform(s) Windows ### Additional Notes NO DOUBT THIS WILL SIT AROUND AND WONā€™T GET ANYTHING DONE ABOUT IT! WHILST A LARGE GROUP OF PEOPLE CANā€™T USE THE PRODUCTS THEY SPEND SO MUCH DAMNED MONEY ON!!! ---
**Author:** ![Flak](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/flak/32/769441_2.png) [@Flak](https://forums.unrealengine.com/u/Flak)\ **Post date:** [November 9, 2026, 6:43pm UTC](https://forums.unrealengine.com/t/damned-epic-fail-plug-in-install-failure-this-is-un-acceptable/2852835/2 "2026-11-09T18:43:51Z")
Could you try these steps to see if they solve your issue? Apologies if youā€™ve already tried any of these. 1. Fully exit the launcher from the system tray. 2. Delete `C:\ProgramData\Epic\EpicGamesLauncher\Data\Manifests`, or only the `.item`/`.manifest` files for that engine version. ProgramData is hidden by default. 3. Delete the `webcache`, `webcache_443` and `Logs` folders under `%localappdata%\EpicGamesLauncher\Saved`. 4. Restart the PC, run the launcher as Administrator, and try one plugin again. 5. Pause the antivirus, or add the `Epic Games` install folder to its exclusions, and retry. 6. For the missing projects: check whether Documents points to OneDrive. Open each `.uproject` once from the editor so the launcher registers it. Let me know how it goes. ---
**Author:** ![mongoose666](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/mongoose666/32/1187071_2.png) [@mongoose666](https://forums.unrealengine.com/u/mongoose666)\ **Post date:** [November 9, 2026, 9:54pm UTC](https://forums.unrealengine.com/t/damned-epic-fail-plug-in-install-failure-this-is-un-acceptable/2852835/3 "2026-11-09T21:54:04Z")
@Flak - It did not fix anything. First was for 5.7.4 and the second was for 5.8.4 šŸ˜” ![Screenshot 2026-11-10 075114](https://d3kjluh73b9h9o.cloudfront.net/original/4X/0/2/8/028050578176b12b80cf72b6c0e1ae4efaa3cf24.png) I did note that the ā€œManifestsā€ folder is not being created. There is a ManifestTemp. ![Screenshot 2026-11-10 075717](https://d3kjluh73b9h9o.cloudfront.net/original/4X/6/a/d/6adf9b08c77342b937127dda73ae8d60f10a08c7.png) I just want to get on with a 3D animated series putting all my tools together with Unreal Engine being the final part to the puzzle - It seems that I need to start looking elsewhere maybe Unity or just end at Blender. I spent a lot of money on assets + supporting software like Reallusion, Janga FX, Z-Brush, Kitbash3D, Blender Plug-ins + more and I just wanted Unreal Engine for that final stage, now I just canā€™t wait being held up by poor decisions on application installation and 1990s restrictions on file system usage - itā€™s time Epic upā€™d their game and got with this century!!! * * * The biggest let down with this situation is my ā€œZibraAIā€ VDB compression plug-in! I am so damned angry with this whole situation! šŸ˜”šŸ¤¬ * * * It seems that the projects are now appearing in the ā€œLauncherā€ so I can at least ā€œAdd to Projectā€ now! šŸ™‚ - Still no plug-in installation working! ---
**Author:** ![Flak](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/flak/32/769441_2.png) [@Flak](https://forums.unrealengine.com/u/Flak)\ **Post date:** [November 10, 2026, 3:37pm UTC](https://forums.unrealengine.com/t/damned-epic-fail-plug-in-install-failure-this-is-un-acceptable/2852835/4 "2026-11-10T15:37:18Z")
Your screenshot helped here. We should have a fix for the plugin issue in the next version. In the meantime, could you try these steps as a workaround? 1. Fully exit the launcher from the system tray. 2. Go to `C:\ProgramData\Epic\EpicGamesLauncher\Data\`. The ProgramData folder is hidden by default. 3. Create a new folder named `Manifests`, and inside it a folder named `Pending`, so you have `C:\ProgramData\Epic\EpicGamesLauncher\Data\Manifests\Pending`. 4. Start the launcher and try installing the plugin again. ---
**Author:** ![mongoose666](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/mongoose666/32/1187071_2.png) [@mongoose666](https://forums.unrealengine.com/u/mongoose666)\ **Post date:** [November 10, 2026, 8:30pm UTC](https://forums.unrealengine.com/t/damned-epic-fail-plug-in-install-failure-this-is-un-acceptable/2852835/5 "2026-11-10T20:30:59Z")
@Flak - beauty!!! That was the fix! šŸ˜Š - I did create the ā€œManifestsā€ already, just missed the ā€œPendingā€! Thank you ever so much for that šŸ‘šŸ˜Ž For the love of God may you put in a request to have a filter for showing only plugins that need updating or installing or even just filter ā€˜onlyā€™ what is installable into engines as a single filter item? A lot of the time I find I have to slowly scan through hundreds of items looking for the little ā€œorangeā€ dot on the ones that need an update. I thought this was automatic when you set the scheduled update window?? Also to ā€œhideā€ all plugins that are ā€œnotā€ compatible with any engines installed. Anywhooooo it would be great and save a lot of time for people šŸ˜Š