trying to join game, error..

Hey guys,
trying to join a game when the following error appears:

java.util.concurrent.CompletionException: com.github.nocatch.NoCatchException: java.io.IOException: Cannot run program "C:\ProgramData\FAForever\bin\ForgedAlliance.exe" (in directory "C:\Program Files (x86)\Steam\steamapps\common\Supreme Commander Forged Alliance"): CreateProcess error=267, The directory name is invalid
at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314)
at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319)
at java.base/java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:718)
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2137)
at com.faforever.client.fa.relay.ice.IceAdapterImpl.lambda$start$8(IceAdapterImpl.java:229)
at java.base/java.lang.Thread.run(Thread.java:832)
Caused by: com.github.nocatch.NoCatchException: java.io.IOException: Cannot run program "C:\ProgramData\FAForever\bin\ForgedAlliance.exe" (in directory "C:\Program Files (x86)\Steam\steamapps\common\Supreme Commander Forged Alliance"): CreateProcess error=267, The directory name is invalid
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)
at com.github.nocatch.NoCatch.wrapException(NoCatch.java:61)
at com.github.nocatch.NoCatch.noCatch(NoCatch.java:104)
at com.github.nocatch.NoCatch.noCatch(NoCatch.java:82)
at com.faforever.client.game.GameService.lambda$startGame$41(GameService.java:583)
at java.base/java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:714)
... 4 more
Caused by: java.io.IOException: Cannot run program "C:\ProgramData\FAForever\bin\ForgedAlliance.exe" (in directory "C:\Program Files (x86)\Steam\steamapps\common\Supreme Commander Forged Alliance"): CreateProcess error=267, The directory name is invalid
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1128)
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1071)
at com.faforever.client.fa.ForgedAllianceService.launch(ForgedAllianceService.java:136)
at com.faforever.client.fa.ForgedAllianceService.startGame(ForgedAllianceService.java:81)
at com.faforever.client.game.GameService.lambda$startGame$40(GameService.java:583)
at com.github.nocatch.NoCatch.noCatch(NoCatch.java:100)
... 7 more
Caused by: java.io.IOException: CreateProcess error=267, The directory name is invalid
at java.base/java.lang.ProcessImpl.create(Native Method)
at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:483)
at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:158)
at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1107)
... 12 more

i must tell you the above error means stuff all, & i am WAY over my head. ive uninstalled/reinstalled faf client & the game, still giving me the error...
i need help...
BigBadBuddie

Please check that this folder exists and actually contains your Forged Alliance installation:

C:\Program Files (x86)\Steam\steamapps\common\Supreme Commander Forged Alliance