2532976 - SUM launch fails with "Timed Out" error in browser

• While starting Software Update Manager (SUM) in browser, it fails to launch after "Timed Out" error or a blank page was seen.
• The sapstartsrv.log from <SAP Host Agent>/work directory shows the following:

    [Thr 2315] *** ERROR => No operation with ID 59A4083C60AA13D0E10080000AFC1667 found [OperationPlu 281]
    [Thr 2315] *** ERROR => Error: sock 24; error 79 (Connection refused)
    (79: Connection refused) [sixx.cpp     125]
    [Thr 2315] *** ERROR => Connection failed [Communicatio 206]

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     [Thr 4117] <Date><Time>
     [Thr 4117] *** ERROR => GSOAPHTTPRequest::Parse failed [GSOAPHTTPMes 194]

     [Thr 4118] <Date><Time>
     [Thr 4118] *** ERROR => GSOAPHTTPRequest::Parse failed [GSOAPHTTPMes 194]

     [Thr 3602] <Date><Time>
     [Thr 3602] ***LOG Q0I=> NiIRead: P=10.251.253.2:64769; L=???: recv (73: Connection reset by peer) [nixxi.cpp 5088]
     [Thr 3602] *** ERROR => NiIRead: SiRecv failed for hdl 49/sock 29
     (SI_ECONN_BROKEN/73; I4; ST; P=10.251.253.2:64769; L=???) [nixxi.cpp    5088]
     [Thr 2831] ***LOG Q0I=> NiIWrite: P=10.251.253.2:64767; L=???: send (32: Broken pipe) [nixxi.cpp 4605]
     [Thr 2831] *** ERROR => NiIWrite: SiSend failed for hdl 25/sock 27

Software Update Manager (SUM)

SUM, URL, TIME OUT, sapstartsrv, sock 27, Connection, GSOAPHTTPRequest, SI_ECONN_BROKEN,Broken pipe,permission,sapsys