With the importance of security in Vista, this is a service you’ll definitely be needing. Cryptographic Services is required for Windows Update and installing signed drivers, among other features of Vista. If you disable this, Vista will automatically set it back to Manual and start the service when needed, so there is little point in disabling it.
Display Name:
Cryptographic Services
Service Name:
CryptSvc
Process Name:
svchost.exe
Description:
Provides four management services: Catalog Database Service, which confirms the signatures of Windows files and allows new programs to be installed; Protected Root Service, which adds and removes Trusted Root Certification Authority certificates from this computer; Automatic Root Certificate Update Service, which retrieves root certificates from Windows Update and enable scenarios such as SSL; and Key Service, which helps enroll this computer for certificates. If this service is stopped, these management services will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.
Path to Executable:
%windir%\system32\svchost.exe -k Network Service
Default Startup:
- Home Basic: Automatic
- Home Premium: Automatic
- Business: Automatic
- Enterprise: Automatic
- Ultimate: Automatic
Log On As:
Network Service
Desktop Interaction:
No
Depends On:
- Remote Procedure Call (RPC)
- DCOM Server Process Launcher
Required For:
None
Memory:
N/A
CPU:
N/A
Do you know something about this service that I don't? Please leave a comment below so I, and everyone else reading this, can benefit from your knowledge!

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Comments
nick
Oct 5, 2008 at 11:59 pm
logging on to vista takes forever and randomly shows black screen for almost as long ?????
I have tried disabling everything in msconfig and thought i narrowed it down to cryptographic service as without this on and everything else on the problem went away…. i was wrong its back after a reboot with confirming it still being off in msconfig the problem persists someone please help me !
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