Portal1 error please help hl2.exe has stopped working :( :(

[PRO_CHANGER]

Faulting application name: hl2.exe, version: 0.0.0.0, time stamp: 0x51c355e0
Faulting module name: engine.dll, version: 0.0.0.0, time stamp: 0x51c358ea
Exception code: 0xc0000005
Fault offset: 0x001b638a
Faulting process id: 0x15f4
Faulting application start time: 0x01cef8113188813a
Faulting application path: E:\SteamLibrary\steamapps\common\Portal\hl2.exe
Faulting module path: e:\steamlibrary\steamapps\common\portal\bin\engine.dll
Report Id: 70b449a6-6404-11e3-b027-50e549420076

Please help help :(

[Atomickx]

I get that error too, usually about a minute after launching the game :( I have a really good computer too so that can't be it