# Q\&A
## My service is not running after reinstallation
**Try installing the new connector.**
Please verify if the certificate is installed and valid ([**see below**](#how-can-i-verify-that-the-service-is-running)).
**Try uninstalling first and after that installing the new connector.**
* Uninstall on windows:
* Go to Settings > Apps & Features
* Search for "Trust1Connector"
* Select "Trust1Connector" and press "Uninstall"
* Uninstall on Mac:
* Execute the "uninstall.sh" script provided in the install
Please verify if the certificate is first removed after uninstalling and then added after the new installation ([**see below**](#how-can-i-verify-that-the-service-is-running)).
**Check your antivirus for notifications**
Check for the program "gcl-service.exe" and the service "Trust1connector" (these are both relevant to the connector). If the antivirus is blocking either, please whitelist it.
**If you use Firefox**
1. Please restart Firefox
2. Check the key-store of Firefox
**Verify if the service is running**
* Open your browser and navigate to , ([**see below**](#how-can-i-verify-that-the-service-is-running))
* If you receive a response, your connector is running and available
## My service is running, but after some days stops working
**Verify with administrator to see if certificate has been removed**
* Some administrators use tools to clean up certificate manager/keystore
* Be sure to add certificate to the whitelist of the tool that is used
## My service is not running and my certificate is not trusted in keystore/manager
* Execute the steps in the [following Q](#how-can-i-verify-that-the-service-is-running) > Check certificates
* MacOS:
* Double click the certificate
* Open the "Trust" expansion panel
* Select "Always Trust"
* Windows:
* Find the certificate in the store (under Personal, Untrusted, Intermediate or with the search and then locate it using the information provided there).
* Drag the certificate to "Trusted Root Certificate Authorities"
## How can I verify that the service is running
**The following folders should be created after installation**
* Windows:
* %APPDATA%\T1T\Trust1Connector
* %TEMP%\T1T\Trust1Connector
* %PROGRAMDATA%\T1T\Trust1Connector
* %ProgramFiles%\T1T\Trust1Connector
* MacOS:
* \~/.t1t
* \~/Library/Logs/T1T/Trust1Connector
* /Library/Logs/T1T/Trust1Connector
* /Library/Application Support/T1T/Trust1Connector
**Check the certificate**
* MacOS:
* Open Spotlight Search (CMD + Space)
* Enter and open "Keychain Access**"**
* Under System, you should see the certificate "trust1connector"
* Windows:
* Right click on the start button and open RUN (see screenshot below)
* Enter "mmc" and press enter
* Press File > Add/Remove Snap-in... (see screenshot below)
* Select Certificates and press Add
* Select Computer Account
* Select Local Computer
* Press OK
* Right click "Certificates" and press "Find Certificates..."
* Enter "trust1connector" and press enter. You should see something similar as the screenshot below
**Readmycards**
* This is a demo/test application where you can check if your connector works.
* Go to . The page should look similar to below. Open the admin panel to check other properties.
