Just letting you know I’ll be investigating this issue this afternoon, I hope to come back to you with a workaround, I at least hope to reproduce this and get it fixed for you.
We understand your frustration, something is preventing the webplayer_win.dll to not be loaded, and there could be many reasons to why this is happening.
I suggest first checking the permissions on the file, so head to the location on disk of the webplayer_win.dll “C:/Documents and Settings/Andre Silva/Local Settings/Application Data/Unity/WebPlayer/player/3.x.x/webplayer_win.dll”
Right Click → Properties → Security tab → Advanced please take a screenshot of that window, it will show us the users which have permission to use the file.
Also, additionally please check if your anti-virus has somehow blocked this file, a simple test would be to disable the anti-virus and try to play a game and see if you get the same error.
after login BSGO, when loading bar appears under the picture with Kara Thrace and Admrl Adama,in few seconds later appears a message says Error launching Unity player,under this appears 2 options to clik on,1 says install manually and the other says Error details.When clik on the second option, apppears a small window message says Failed to load Unity dll. the same happends with firefox browser.i do all the steps that descriped at the link by Graham in the following post on Unity Answers.but nothing,even i uninstall comodo internet security for prevent broken installation of player.i did all the necessary moves about this, that described in forums of BP and Unity ,even clean installation of windows XP SP3 and IE8 with all available updates in software and hardware stage or scanning my system with several antivirus-spyware programs and ccleaner.what left to do any more?guys ,do something,8 days passed when Unity problem starts
The problem is we don’t have a repro case, as far as we can tell only a few users are experiencing this issue, all the machines I test on work perfectly, no trace of this error, so, we are relying on you guys to help us out to find the cause which requires some patience regarding finding a fix for this.
Please check the permissions on the webplayer_win.dll file, are you both admin users? Does this happen in all browsers? Is your XP installation fully updated with microsoft updates?
Try installing the WebPlayer using the /Allusers flag - to do this follow these instructions (note: you need admin permissions to do this):
Uninstall the WebPlayer via ctrl panal
Download and save the installer to your desktop
Open a cmd prompt
Type cd Desktop → press enter
Type UnityWebPlayer.exe /Allusers → press enter
This will install the WebPlayer for all your users on your computer
Importantly, the install files are now written to Program files and not your users local files.
Restart your machine after installation completes, once booted back in, launch your browser and test to see if the error appears again.
If this doesn’t workaround the problem, do you have a friends machine you can try with? please try to compare each others machines to find what is different? it’s possible another 3rd party software which is installed is causing this, maybe your hardware combination has something unique compared to other machines.
Try tracing with Process Monitor (get it here: Process Monitor - Sysinternals | Microsoft Learn) while reproducing the problem. Process Monitor allows tracing file system activity and will give you more information about what the problem… The trace should allow to see i.e. whether the DLL is not found or is found but fails to load, etc…
Please don’t be rude when we are trying to help you out, we understand this is frustrating, and it’s frustrating me that we don’t know what causes this, but as I mentioned earlier on in the thread, we need your help, you guys have the specific hardware which exhibits this problem.
Please try to do any suggestions we make, if you are not sure how to do our suggestions feel free to ask.
Please repeat the same steps as above but this time please download the WebPlayer from here:
