8 steps to solve issue "Sandboxed Code Host Service was too busy to handle the request"

(05.11.2012) -Sai Gon- Nice day to all my friends, today I am happy to share with us a very simple way to solve issue "Sandboxed Code Host Service was too busy to handle the request".

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Whenever you see the message

Please do 8 steps like here to solve the issue

1. get SID value of SPManagedAccount

(Get-SPManagedAccount -Identity "Domain\AccountName").Sid.Value
Example:
(Get-SPManagedAccount -Identity "FVHospital\TestSharePoint1").Sid.Value
or
(Get-SPManagedAccount -Identity "GODAX\Administrator").Sid.Value

2. Open Registry from Command line

3. Click on plus icon from S-1-5-21-1214440339-725345543-691511546-8518, the SID that we got from step 1

4. Continue expand Software -> Microsoft

5. Expand Windows -> CurrentVersion -> WinTrust -> Trust Providers -> Software Publishing

6. Change value of State from 23c00 to 23e00

7. Stop and Start again the SharePoint Foundation Sandboxed Code Service

8. Now the Sandboxed WebPart run well

God bless us!