title: IBM DB2 10.5 FP3 -sql1042c an unexpected system error occurred. sqlstate=58004 db2 connect windows
body: <p>We recently upgraded some of our employee's DB2 Runtime client from 9.7 (32 bit) to 10.5 FP3 (64 bit) in their windows 7 machines.After that some of them are having issues when trying to connect to our database through an excel macro or even through db2 clp.They are getting the below error</p>
  
  <p><strong><em>IBM CLI Driver SQL1042C An unexpected system error occurred. 
  SQLSTATE=58004</em></strong></p>
  
  <p>I have checked their db2diag.log and i see this</p>
  
  <pre><code>2015-06-17-17.06.34.820000-240    I11076H445            LEVEL: Error
  PID     : 1216                 TID : 5372           PROC : EXCEL.EXE
  INSTANCE: DB2                  NODE : 000
  HOSTNAME: MLIW*****
  EDUID   : 5372
  
  FUNCTION: DB2 Common, Cryptography, cryptDynamicLoadGSKitCrypto, probe:998
  
  MESSAGE : ECF=0x90000007=-1879048185=ECF_UNKNOWN
            Unknown
  
  DATA #1 : unsigned integer, 4 bytes
  
  60
  
  DATA #2 : String, 11 bytes
  
  gsk8sys.dll*
  </code></pre>
  
  <p><em>Please advise.</em> </p>