Sonic Adventure™ 2

Sonic Adventure™ 2

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Game won't launch
A lot of people are making similar threads, but I felt I would make my own because why not. Game ran fine at 4:00 est earlier today but now it's not running at all. The Sonic Team logo doesn't even appear. The launcher appears everything seems fine until i hit save settings and play sonic adventure 2. After that it opens the SA2 window but it stops responding immediately as soon as it opens. Tried verifying game files, tried reinstalling, I tried everything. Nothing's working. I looked up all the possible fixes and none of them worked. Any ideas on why this is happening?

Edit: I got it to run once like 5 minutes ago and I thought it might be a 50/50 chance of running like a previous thread, but I closed it and opened it again to see and I have tried opening it 20+ times since then and I have not got it to run a single time.

Edit 2: I've probably ran it like 50 times now. The 50/50 thing seems to not be working, to say the least

Edit 3: Like the day after my last edit, it suddenly started working again. My bad for not editing again sooner, I was busy playing the game lol. I don't know what caused it to start working again. I want to say it was because I restarted my PC, but I don't want to think about being so stupid as to not think of just restarting it, the most simple method of fixing issues on PCs.
Last edited by Short term scheduler; Nov 3, 2020 @ 3:13pm
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Showing 1-9 of 9 comments
Chipp Nov 3, 2020 @ 12:24pm 
me too
Koken Nov 3, 2020 @ 2:38pm 
same
Mystic Monkey Nov 7, 2020 @ 5:10pm 
There really should be a mod or downloadable fix for that.
I don't have a GameBanana account so I can't make it myself or request it.
Originally posted by Mystic Monkey:
There really should be a mod or downloadable fix for that.
I don't have a GameBanana account so I can't make it myself or request it.
You'd think that it would have been fixed by now.
Mystic Monkey Nov 8, 2020 @ 1:04am 
Originally posted by nats:
Originally posted by Mystic Monkey:
There really should be a mod or downloadable fix for that.
I don't have a GameBanana account so I can't make it myself or request it.
You'd think that it would have been fixed by now.
I don't think Sega really cares to patch it. I doubt the game had much patches to begin with on it's release on Steam.

If anyone who is capable of modding the game, or the very least has a GameBanana account to submit requests to, that's the only way I see to fix the game.

I know there is way to fix the game, I think through graphics card settings or something like that, but I can't remember the steps and it's a hassle to go through all the time just to play a game from 2001.
tbb Nov 8, 2020 @ 9:55am 
Originally posted by nats:
A lot of people are making similar threads, but I felt I would make my own because why not. Game ran fine at 4:00 est earlier today but now it's not running at all. The Sonic Team logo doesn't even appear. The launcher appears everything seems fine until i hit save settings and play sonic adventure 2. After that it opens the SA2 window but it stops responding immediately as soon as it opens. Tried verifying game files, tried reinstalling, I tried everything. Nothing's working. I looked up all the possible fixes and none of them worked. Any ideas on why this is happening?

Edit: I got it to run once like 5 minutes ago and I thought it might be a 50/50 chance of running like a previous thread, but I closed it and opened it again to see and I have tried opening it 20+ times since then and I have not got it to run a single time.

Edit 2: I've probably ran it like 50 times now. The 50/50 thing seems to not be working, to say the least

Edit 3: Like the day after my last edit, it suddenly started working again. My bad for not editing again sooner, I was busy playing the game lol. I don't know what caused it to start working again. I want to say it was because I restarted my PC, but I don't want to think about being so stupid as to not think of just restarting it, the most simple method of fixing issues on PCs.


I might have to copy paste this text for future use somewhere because I've lost count of how many times I've had to tell someone this lol. Unfortunately, SEGA seems to have no interest in fixing the various bugs and glitches in this port.
You have two solutions:

A) Go to "LIBRARY", click on Sonic Adventure 2, click on "Manage" (the little gear icon), click "Properties", select the "Local Files" tab in the pop-up, click "Verify Integrity of Files".


B) If that doesn't work, you'll have to do this. Close Steam completely and then locate a file named "ClientRegistry.blob" via File Explorer (you may use the search function if it helps). Delete it and then restart your laptop/PC. After this, Sonic Adventure 2 should launch perfectly.
Mystic Monkey Nov 13, 2020 @ 5:19am 
Originally posted by Dannaki:
A) Go to "LIBRARY", click on Sonic Adventure 2, click on "Manage" (the little gear icon), click "Properties", select the "Local Files" tab in the pop-up, click "Verify Integrity of Files".
This appears to work, but only without fullscreen mode. I tested this with SA2ModManager and it appears to work fine... though it seemed to not like this one Rouge the Bat skin mod where it would either crash the game or play just fine with Rouge in default skin.
It strange because I have another skin for Rouge that is configured just like it and it works just fine.

I also noticed that if you Verify the files and then open the SA2ModManager it will say "Installed loader DLL differs from copy in mods folder. Do you want to overwrite the installed copy?" I think the DLL being the core aspects of the game that the modloader changes on behalf of the mods, so if it's also doing something to whatever DLL that is causing the crashes I do not know.

Originally posted by Dannaki:
B) If that doesn't work, you'll have to do this. Close Steam completely and then locate a file named "ClientRegistry.blob" via File Explorer (you may use the search function if it helps). Delete it and then restart your laptop/PC. After this, Sonic Adventure 2 should launch perfectly.
So it took awhile to find that .blob, it was on the other drive of all places. I deleted it and reset my computer.
I tried playing SA2B on full mode and... crashes. So either I can't find the .blob I was suppose to delete or that doesn't work.

Conclusion: Method A
Method A is perhaps the best way to fix the problem, especially for those with SA2ModManager. The closest you can play the game in full screen is to disable full screen mode on the Steam Launcher and then on SA2ModManager on options tick "Boarderless Window". So the window will still be the full size of the screen and boarderless. So it's "like full screen" but it's not.

While the game is playable without SA2ModManager, not without the game window being boarderless.
If you never used mods or mod launchers for SA2 (playing it vanilla) and the game can be played in full screen with no problem then maybe there is something wrong with the mod launcher that is causing it. It's hard to tell if the mods are crashing the game or if the game is crashing vanilla.
If you're using SA2ModManager with various mods and the game still crashes, it might be because of a mod or mods that are causing it.

I also noticed that a skin mod seems to crashes the game in despite another skin mod like it causing no problems. Testing some mods I have it doesn't appear to like most of them... So sorry, but this is the closest I ever got to the game working in a long while so it's still something.
Last edited by Mystic Monkey; Nov 13, 2020 @ 5:41am
tbb Nov 14, 2020 @ 7:08pm 
Originally posted by Mystic Monkey:
Originally posted by Dannaki:
A) Go to "LIBRARY", click on Sonic Adventure 2, click on "Manage" (the little gear icon), click "Properties", select the "Local Files" tab in the pop-up, click "Verify Integrity of Files".
This appears to work, but only without fullscreen mode. I tested this with SA2ModManager and it appears to work fine... though it seemed to not like this one Rouge the Bat skin mod where it would either crash the game or play just fine with Rouge in default skin.
It strange because I have another skin for Rouge that is configured just like it and it works just fine.

I also noticed that if you Verify the files and then open the SA2ModManager it will say "Installed loader DLL differs from copy in mods folder. Do you want to overwrite the installed copy?" I think the DLL being the core aspects of the game that the modloader changes on behalf of the mods, so if it's also doing something to whatever DLL that is causing the crashes I do not know.

Originally posted by Dannaki:
B) If that doesn't work, you'll have to do this. Close Steam completely and then locate a file named "ClientRegistry.blob" via File Explorer (you may use the search function if it helps). Delete it and then restart your laptop/PC. After this, Sonic Adventure 2 should launch perfectly.
So it took awhile to find that .blob, it was on the other drive of all places. I deleted it and reset my computer.
I tried playing SA2B on full mode and... crashes. So either I can't find the .blob I was suppose to delete or that doesn't work.

Conclusion: Method A
Method A is perhaps the best way to fix the problem, especially for those with SA2ModManager. The closest you can play the game in full screen is to disable full screen mode on the Steam Launcher and then on SA2ModManager on options tick "Boarderless Window". So the window will still be the full size of the screen and boarderless. So it's "like full screen" but it's not.

While the game is playable without SA2ModManager, not without the game window being boarderless.
If you never used mods or mod launchers for SA2 (playing it vanilla) and the game can be played in full screen with no problem then maybe there is something wrong with the mod launcher that is causing it. It's hard to tell if the mods are crashing the game or if the game is crashing vanilla.
If you're using SA2ModManager with various mods and the game still crashes, it might be because of a mod or mods that are causing it.

I also noticed that a skin mod seems to crashes the game in despite another skin mod like it causing no problems. Testing some mods I have it doesn't appear to like most of them... So sorry, but this is the closest I ever got to the game working in a long while so it's still something.


Not sure why I didn't get a notif for this one but I'm glad it somewhat worked out! If I discover a completely foolproof solution, I'll hit you up.
Sorry to intrude but I’m having a problem with it not being compatible and would just display an error message “The Application is unable to start correctly 07b.
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